US Bridges

Local over Small Stream

PoorPosted for load

Montgomery County, Iowa · 073362601 · Structure no. 000000000256131

Built
1985
40 years old
Condition
Poor
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
5
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Small Stream is a prestressed concrete tee beam carrying Local over Small Stream in Montgomery County, Iowa. It was built in 1985, so it is 40 years old, younger 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 4 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 other load-capacity restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2043. The structure is 69 ft (21 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesSmall Stream
Location073362601
RouteCounty Highway 0
StateIowa
Coordinates41.10127, -94.96029
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.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating21.2 US tons
Inventory rating10.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length69 ft (21 m)
Longest span68 ft (20.7 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2021)
Projected traffic5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Small Stream built?

It was built in 1985, making it 40 years old in 2025.

What condition is Local over Small 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 May 2023.

How much traffic does Local over Small Stream carry?

About 5 vehicles per day (2021 count).

How long is Local over Small Stream?

The structure is 69 ft (21 m) long with a longest span of 68 ft (20.7 m) and a deck 25 ft wide.

Who owns Local over Small Stream?

It is owned by the County Highway Agency.