Local over Stream

PoorPosted for load

Guthrie County, Iowa · 080311902 · Structure no. 000000000169010

Built: 1959; 66 years old
Condition: Poor; inspected November 2023
Type: Tee Beam; Prestressed Concrete
Length: 21 ft; 1 main span
Daily traffic: 29; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Stream is a prestressed concrete tee beam carrying Local over Stream in Guthrie County, Iowa. It was built in 1959, so it is 66 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 29 vehicles a day, projected to reach 29 by 2043. The structure is 21 ft (6.4 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLocal

CrossesStream

Location080311902

RouteCounty Highway 0

CountyGuthrie County

StateIowa

Coordinates41.71914, -94.51254

Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	3 Serious	Loss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionNovember 2023

Inspection intervalevery 12 months

Operating statusPosted for load restriction

ScourScour critical; foundations unstable for calculated scour conditions

Structural evaluation3: Basically intolerable, requiring high priority of corrective action

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is

Operating rating17.9 US tons

Inventory rating13.4 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, precast panels

Main spans1

Design loadH 20

Structure length21 ft (6.4 m)

Longest span19 ft (5.8 m)

Deck width20 ft (6.1 m)

Roadway width20 ft (6.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)

Projected traffic29 by 2043

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.1 mi (5 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedReplacement because of substandard load-carrying capacity or roadway geometry

Estimated improvement cost$323,000 (2024 estimate)

NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Stream built?

It was built in 1959, making it 66 years old in 2025.

What condition is Local over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Local over Stream carry?

About 29 vehicles per day (2022 count).

How long is Local over Stream?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns Local over Stream?

It is owned by the County Highway Agency.