US Bridges

Local over Drainage

Fair

Butler County, Iowa · 093181801 · Structure no. 000000000089950

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Culvert
Wood or Timber
Length
22 ft
4 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Drainage is a wood or timber culvert carrying Local over Drainage in Butler 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 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.

It carries about 20 vehicles a day, projected to reach 20 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesDrainage
Location093181801
RouteCounty Highway 0
StateIowa
Coordinates42.87661, -93.02384
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating21.4 US tons
Inventory rating16.8 US tons

Structure

Structure typeCulvert
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 20
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$87,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Drainage built?

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

What condition is Local over Drainage 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 2024.

How much traffic does Local over Drainage carry?

About 20 vehicles per day (2022 count).

How long is Local over Drainage?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m).

Who owns Local over Drainage?

It is owned by the County Highway Agency.