US Bridges

Local over Kilsons Creek

FairPosted for load

Butler County, Iowa · 090171502 · Structure no. 000000000087021

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
33 ft
2 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Kilsons Creek is a wood or timber stringer/multi-beam or girder carrying Local over Kilsons Creek in Butler County, Iowa. It was built in 1987, so it is 38 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 73 vehicles a day, projected to reach 73 by 2043. The structure is 33 ft (10.1 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLocal
CrossesKilsons Creek
Location090171502
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.60543, -92.84981
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.3 US tons
Inventory rating44.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckOther
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 over Kilsons Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Local over Kilsons Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Local over Kilsons Creek carry?

About 73 vehicles per day (2022 count).

How long is Local over Kilsons Creek?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 18 ft wide.

Who owns Local over Kilsons Creek?

It is owned by the County Highway Agency.