US Bridges

Local over Kilgore Creek

Poor

Decatur County, Iowa · 068251503 · Structure no. 000000000137051

Built
1979
46 years old
Condition
Poor
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
46
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Kilgore Creek is a steel stringer/multi-beam or girder carrying Local over Kilgore Creek in Decatur County, Iowa. It was built in 1979, so it is 46 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.

It carries about 46 vehicles a day, projected to reach 46 by 2042. The structure is 41 ft (12.5 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesKilgore Creek
Location068251503
RouteCounty Highway 0
StateIowa
Coordinates40.68876, -93.71467
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)
Projected traffic46 by 2042
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Kilgore Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Local over Kilgore 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 2022.

How much traffic does Local over Kilgore Creek carry?

About 46 vehicles per day (2022 count).

How long is Local over Kilgore Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Local over Kilgore Creek?

It is owned by the County Highway Agency.