US Bridges

Local RD over South Fork English River

PoorPosted for load

Keokuk County, Iowa · 077101106 · Structure no. 000000000212710

Built
1960
65 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
120 ft
1 main span
Daily traffic
31
2021 count
Owner
County
County Highway Agency

About this bridge

Local RD over South Fork English River is a steel truss - thru carrying Local RD over South Fork English River in Keokuk County, Iowa. It was built in 1960, so it is 65 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 31 vehicles a day, projected to reach 31 by 2044. The structure is 120 ft (36.6 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal RD
CrossesSouth Fork English River
Location077101106
RouteCounty Highway 0
StateIowa
Coordinates41.48748, -91.97014
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating4 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2021)
Projected traffic31 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local RD over South Fork English River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Local RD over South 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 Local RD over South Fork English River carry?

About 31 vehicles per day (2021 count).

How long is Local RD over South Fork English River?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.

Who owns Local RD over South Fork English River?

It is owned by the County Highway Agency.