US Bridges

Local over South Fork Iowa River

PoorPosted for load

Hardin County, Iowa · 088220402 · Structure no. 000000000176351

Built
1982
43 years old
Condition
Poor
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
69 ft
3 main spans
Daily traffic
51
2022 count
Owner
County
County Highway Agency

About this bridge

Local over South Fork Iowa River is a prestressed concrete tee beam carrying Local over South Fork Iowa River in Hardin County, Iowa. It was built in 1982, so it is 43 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 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 51 vehicles a day, projected to reach 51 by 2044. The structure is 69 ft (21 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesSouth Fork Iowa River
Location088220402
RouteCounty Highway 0
StateIowa
Coordinates42.46155, -93.42441
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating5.2 US tons
Inventory rating0 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2022)
Projected traffic51 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 South Fork Iowa River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Local over South Fork Iowa 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 January 2024.

How much traffic does Local over South Fork Iowa River carry?

About 51 vehicles per day (2022 count).

How long is Local over South Fork Iowa River?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Local over South Fork Iowa River?

It is owned by the County Highway Agency.