US Bridges

Local over South Raccoon River

PoorPosted for load

Guthrie County, Iowa · 080322905 · Structure no. 000000000169330

Built
1940
85 years old, rebuilt 1958
Condition
Poor
inspected November 2023
Type
Truss - Thru
Steel
Length
90 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local over South Raccoon River is a steel truss - thru carrying Local over South Raccoon River in Guthrie County, Iowa. It was built in 1940 and reconstructed in 1958, so it is 85 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 2043. The structure is 90 ft (27.4 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesSouth Raccoon River
Location080322905
RouteCounty Highway 0
StateIowa
Coordinates41.71713, -94.59443
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 rating35.5 US tons
Inventory rating16.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$970,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over South Raccoon River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1958.

What condition is Local over South Raccoon River 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 South Raccoon River carry?

About 11 vehicles per day (2022 count).

How long is Local over South Raccoon River?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 21 ft wide.

Who owns Local over South Raccoon River?

It is owned by the County Highway Agency.