US Bridges

FM over S Fork English River

PoorPosted for load

Keokuk County, Iowa · 077101704 · Structure no. 000000000212810

Built
1954
71 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
175 ft
3 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

FM over S Fork English River is a concrete continuous stringer/multi-beam or girder carrying FM over S Fork English River in Keokuk County, Iowa. It was built in 1954, so it is 71 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 15 by 2044. The structure is 175 ft (53.3 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM
CrossesS Fork English River
Location077101704
RouteCounty Highway 0
StateIowa
Coordinates41.47536, -92.03307
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating10.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length175 ft (53.3 m)
Longest span70 ft (21.3 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 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 S Fork English River built?

It was built in 1954, making it 71 years old in 2025.

What condition is FM over S Fork English River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

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

About 15 vehicles per day (2022 count).

How long is FM over S Fork English River?

The structure is 175 ft (53.3 m) long with a longest span of 70 ft (21.3 m) and a deck 23 ft wide.

Who owns FM over S Fork English River?

It is owned by the County Highway Agency.