US Bridges

FM over Middle English River

Fair

Iowa County, Iowa · 078112202 · Structure no. 000000000188451

Built
1975
50 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
55 ft
2 main spans
Daily traffic
130
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Middle English River is a concrete continuous culvert carrying FM over Middle English River in Iowa County, Iowa. It was built in 1975, so it is 50 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 130 vehicles a day, projected to reach 130 by 2043. The structure is 55 ft (16.8 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesMiddle English River
Location078112202
RouteCounty Highway 0
StateIowa
Coordinates41.54735, -92.12295
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 inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span26 ft (7.9 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2022)
Projected traffic130 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Middle English River built?

It was built in 1975, making it 50 years old in 2025.

What condition is FM over Middle 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 February 2023.

How much traffic does FM over Middle English River carry?

About 130 vehicles per day (2022 count).

How long is FM over Middle English River?

The structure is 55 ft (16.8 m) long with a longest span of 26 ft (7.9 m) and a deck 36 ft wide.

Who owns FM over Middle English River?

It is owned by the County Highway Agency.