US Bridges

Local over Iowa River (south Fork)

Poor

Hardin County, Iowa · 087200702 · Structure no. 000000000175441

Built
1997
28 years old
Condition
Poor
inspected February 2023
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
62
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Iowa River (south Fork) is a concrete continuous slab carrying Local over Iowa River (south Fork) in Hardin County, Iowa. It was built in 1997, so it is 28 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.

It carries about 62 vehicles a day, projected to reach 62 by 2043. The structure is 128 ft (39 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLocal
CrossesIowa River (south Fork)
Location087200702
RouteCounty Highway 0
CountyHardin County
StateIowa
Coordinates42.36561, -93.23199
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97.6 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic62 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Iowa River (south Fork) built?

It was built in 1997, making it 28 years old in 2025.

What condition is Local over Iowa River (south Fork) 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 February 2023.

How much traffic does Local over Iowa River (south Fork) carry?

About 62 vehicles per day (2022 count).

How long is Local over Iowa River (south Fork)?

The structure is 128 ft (39 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Local over Iowa River (south Fork)?

It is owned by the County Highway Agency.