US Bridges

Local over East Fork Big Creek

PoorPosted for load

Decatur County, Iowa · 067270103 · Structure no. 000000000136550

Built
1967
58 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
3 main spans
Daily traffic
113
2022 count
Owner
County
County Highway Agency

About this bridge

Local over East Fork Big Creek is a steel stringer/multi-beam or girder carrying Local over East Fork Big Creek in Decatur County, Iowa. It was built in 1967, so it is 58 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 other load-capacity restriction.

It carries about 113 vehicles a day, roughly 9% of them trucks, projected to reach 113 by 2043. The structure is 60 ft (18.3 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesEast Fork Big Creek
Location067270103
RouteCounty Highway 0
StateIowa
Coordinates40.63818, -93.91422
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.2 US tons
Inventory rating13.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2022)
Projected traffic113 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 East Fork Big Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Local over East Fork Big 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 November 2023.

How much traffic does Local over East Fork Big Creek carry?

About 113 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Local over East Fork Big Creek?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 20 ft wide.

Who owns Local over East Fork Big Creek?

It is owned by the County Highway Agency.