US Bridges

Local Road over South Fork Long Creek

PoorPosted for load

Washington County, Iowa · 075062806 · Structure no. 000000000336280

Built
1914
111 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
105 ft
4 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over South Fork Long Creek is a concrete stringer/multi-beam or girder carrying Local Road over South Fork Long Creek in Washington County, Iowa. It was built in 1914, so it is 111 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 11 vehicles a day, projected to reach 11 by 2043. The structure is 105 ft (32 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal Road
CrossesSouth Fork Long Creek
Location075062806
RouteCounty Highway 0
StateIowa
Coordinates41.27396, -91.55238
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.9 US tons
Inventory rating23.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length105 ft (32 m)
Longest span33 ft (10.1 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
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 statusPossibly eligible for the National Register; requires further investigation
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 Road over South Fork Long Creek built?

It was built in 1914, making it 111 years old in 2025.

What condition is Local Road over South Fork Long Creek 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 February 2023.

How much traffic does Local Road over South Fork Long Creek carry?

About 11 vehicles per day (2022 count).

How long is Local Road over South Fork Long Creek?

The structure is 105 ft (32 m) long with a longest span of 33 ft (10.1 m) and a deck 20 ft wide.

Who owns Local Road over South Fork Long Creek?

It is owned by the County Highway Agency.