US Bridges

FM over Br North English River

Fair

Iowa County, Iowa · 079113303 · Structure no. 000000000189711

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
47 ft
2 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Br North English River is a concrete continuous culvert carrying FM over Br North English River in Iowa County, Iowa. It was built in 1976, so it is 49 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 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 40 vehicles a day, projected to reach 40 by 2044. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM
CrossesBr North English River
Location079113303
RouteCounty Highway 0
CountyIowa County
StateIowa
Coordinates41.60799, -92.127
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating69.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length47 ft (14.3 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Br North English River built?

It was built in 1976, making it 49 years old in 2025.

What condition is FM over Br North 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 Br North English River carry?

About 40 vehicles per day (2022 count).

How long is FM over Br North English River?

The structure is 47 ft (14.3 m) long with a longest span of 22 ft (6.7 m).

Who owns FM over Br North English River?

It is owned by the County Highway Agency.