US Bridges

FM over Fox River

Fair

Van Buren County, Iowa · 068111704 · Structure no. 000000000328131

Built
1984
41 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
204 ft
3 main spans
Daily traffic
370
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Fox River is a prestressed concrete continuous stringer/multi-beam or girder carrying FM over Fox River in Van Buren County, Iowa. It was built in 1984, so it is 41 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 370 vehicles a day, roughly 19% of them trucks, projected to reach 370 by 2043. The structure is 204 ft (62.2 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM
CrossesFox River
Location068111704
RouteCounty Highway 0
StateIowa
Coordinates40.69247, -92.14564
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.9 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length204 ft (62.2 m)
Longest span97 ft (29.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2022)
Projected traffic370 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$50,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Fox River built?

It was built in 1984, making it 41 years old in 2025.

What condition is FM over Fox River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does FM over Fox River carry?

About 370 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is FM over Fox River?

The structure is 204 ft (62.2 m) long with a longest span of 97 ft (29.6 m) and a deck 33 ft wide.

Who owns FM over Fox River?

It is owned by the County Highway Agency.