US Bridges

FM 2430 James over W Branch Iowa River

Poor

Hancock County, Iowa · 096252104 · Structure no. 000000000026940

Built
1948
77 years old, rebuilt 1980
Condition
Poor
inspected March 2024
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
828
2022 count
Owner
County
County Highway Agency

About this bridge

FM 2430 James over W Branch Iowa River is a concrete continuous slab carrying FM 2430 James over W Branch Iowa River in Hancock County, Iowa. It was built in 1948 and reconstructed in 1980, so it is 77 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 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.

It carries about 828 vehicles a day, roughly 13% of them trucks, projected to reach 828 by 2044. The structure is 92 ft (28 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 2430 James
CrossesW Branch Iowa River
Location096252104
RouteCounty Highway 0
StateIowa
Coordinates43.11505, -93.79771
Functional classRural Major Collector

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.2 US tons
Inventory rating31.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length92 ft (28 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic828 (2022)
Projected traffic828 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2430 James over W Branch Iowa River built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1980.

What condition is FM 2430 James over W Branch 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 March 2024.

How much traffic does FM 2430 James over W Branch Iowa River carry?

About 828 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is FM 2430 James over W Branch Iowa River?

The structure is 92 ft (28 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns FM 2430 James over W Branch Iowa River?

It is owned by the County Highway Agency.