US Bridges

FM over English River

FairPosted for load

Iowa County, Iowa · 079122907 · Structure no. 000000000189950

Built
1952
73 years old, rebuilt 2005
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

FM over English River is a steel continuous stringer/multi-beam or girder carrying FM over English River in Iowa County, Iowa. It was built in 1952 and reconstructed in 2005, so it is 73 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, roughly 31% of them trucks, projected to reach 70 by 2044. The structure is 154 ft (46.9 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM
CrossesEnglish River
Location079122907
RouteCounty Highway 0
StateIowa
Coordinates41.62319, -92.26647
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating34.8 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length154 ft (46.9 m)
Longest span59 ft (18 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic70 by 2044
Trucks31%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over English River built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2005.

What condition is FM over English 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 March 2024.

How much traffic does FM over English River carry?

About 70 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is FM over English River?

The structure is 154 ft (46.9 m) long with a longest span of 59 ft (18 m) and a deck 25 ft wide.

Who owns FM over English River?

It is owned by the County Highway Agency.