US Bridges

Local over Beaver Creek

PoorPosted for load

Guthrie County, Iowa · 078310204 · Structure no. 000000000166720

Built
1920
105 years old, rebuilt 1959
Condition
Poor
inspected November 2022
Type
Truss - Thru
Steel
Length
72 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Beaver Creek is a steel truss - thru carrying Local over Beaver Creek in Guthrie County, Iowa. It was built in 1920 and reconstructed in 1959, so it is 105 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 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 load restriction.

It carries about 11 vehicles a day, projected to reach 11 by 2042. The structure is 72 ft (21.9 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLocal
CrossesBeaver Creek
Location078310204
RouteCounty Highway 0
StateIowa
Coordinates41.5862, -94.39546
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating20.6 US tons
Inventory rating12.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Beaver Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1959.

What condition is Local over Beaver Creek 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 2022.

How much traffic does Local over Beaver Creek carry?

About 11 vehicles per day (2022 count).

How long is Local over Beaver Creek?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 19 ft wide.

Who owns Local over Beaver Creek?

It is owned by the County Highway Agency.