US Bridges

Local over Wolf Creek

Poor

Tama County, Iowa · 085140906 · Structure no. 000000000319630

Built
1975
50 years old
Condition
Poor
inspected September 2024
Type
Culvert
Steel
Length
50 ft
5 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Wolf Creek is a steel culvert carrying Local over Wolf Creek in Tama County, Iowa. It was built in 1975, so it is 50 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 15 vehicles a day, projected to reach 15 by 2044. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesWolf Creek
Location085140906
RouteCounty Highway 0
StateIowa
Coordinates42.18764, -92.48966
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span4 ft (1.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2044
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 Wolf Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Local over Wolf 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 September 2024.

How much traffic does Local over Wolf Creek carry?

About 15 vehicles per day (2022 count).

How long is Local over Wolf Creek?

The structure is 50 ft (15.2 m) long with a longest span of 4 ft (1.2 m).

Who owns Local over Wolf Creek?

It is owned by the County Highway Agency.