US Bridges

Local over Trib S Fork Eng River

PoorPosted for load

Keokuk County, Iowa · 077111403 · Structure no. 000000000212960

Built
1951
74 years old, rebuilt 1981
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
62 ft
3 main spans
Daily traffic
26
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Trib S Fork Eng River is a wood or timber stringer/multi-beam or girder carrying Local over Trib S Fork Eng River in Keokuk County, Iowa. It was built in 1951 and reconstructed in 1981, so it is 74 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 3 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 62 ft (18.9 m) long and 19 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLocal
CrossesTrib S Fork Eng River
Location077111403
RouteCounty Highway 0
StateIowa
Coordinates41.47497, -92.09775
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating17.6 US tons
Inventory rating12.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length62 ft (18.9 m)
Longest span23 ft (7 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2021)
Projected traffic26 by 2044
Trucks0%
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 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 Local over Trib S Fork Eng River built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1981.

What condition is Local over Trib S Fork Eng 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 Local over Trib S Fork Eng River carry?

About 26 vehicles per day (2021 count).

How long is Local over Trib S Fork Eng River?

The structure is 62 ft (18.9 m) long with a longest span of 23 ft (7 m) and a deck 19 ft wide.

Who owns Local over Trib S Fork Eng River?

It is owned by the County Highway Agency.