US Bridges

FM over Wapsipinicon River

Good

Buchanan County, Iowa · 089101309 · Structure no. 000000000083151

Built
1999
26 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
324 ft
4 main spans
Daily traffic
216
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Wapsipinicon River is a prestressed concrete slab carrying FM over Wapsipinicon River in Buchanan County, Iowa. It was built in 1999, so it is 26 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 216 vehicles a day, projected to reach 216 by 2044. The structure is 324 ft (98.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM
CrossesWapsipinicon River
Location089101309
RouteCounty Highway 0
StateIowa
Coordinates42.51196, -91.97464
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length324 ft (98.8 m)
Longest span81 ft (24.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic216 (2022)
Projected traffic216 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Wapsipinicon River built?

It was built in 1999, making it 26 years old in 2025.

What condition is FM over Wapsipinicon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does FM over Wapsipinicon River carry?

About 216 vehicles per day (2022 count).

How long is FM over Wapsipinicon River?

The structure is 324 ft (98.8 m) long with a longest span of 81 ft (24.7 m) and a deck 32 ft wide.

Who owns FM over Wapsipinicon River?

It is owned by the County Highway Agency.