US Bridges

FM over S Fork English River

Fair

Keokuk County, Iowa · 077112102 · Structure no. 000000000213051

Built
1974
51 years old
Condition
Fair
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
80
2022 count
Owner
County
County Highway Agency

About this bridge

FM over S Fork English River is a prestressed concrete stringer/multi-beam or girder carrying FM over S Fork English River in Keokuk County, Iowa. It was built in 1974, so it is 51 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 80 vehicles a day, projected to reach 80 by 2043. The structure is 180 ft (54.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM
CrossesS Fork English River
Location077112102
RouteCounty Highway 0
CountyKeokuk County
StateIowa
Coordinates41.46701, -92.14191
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
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 alignment6: Equal to present minimum criteria
Operating rating73.6 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length180 ft (54.9 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 S Fork English River built?

It was built in 1974, making it 51 years old in 2025.

What condition is FM over S Fork 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 2022.

How much traffic does FM over S Fork English River carry?

About 80 vehicles per day (2022 count).

How long is FM over S Fork English River?

The structure is 180 ft (54.9 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns FM over S Fork English River?

It is owned by the County Highway Agency.