US Bridges

Local over Troublesome Creek

FairPosted for load

Tama County, Iowa · 083131106 · Structure no. 000000000317470

Built
1950
75 years old, rebuilt 2015
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Troublesome Creek is a steel stringer/multi-beam or girder carrying Local over Troublesome Creek in Tama County, Iowa. It was built in 1950 and reconstructed in 2015, so it is 75 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. Its operating status is: posted for other load-capacity restriction.

It carries about 33 vehicles a day, projected to reach 33 by 2044. The structure is 31 ft (9.4 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLocal
CrossesTroublesome Creek
Location083131106
RouteCounty Highway 0
CountyTama County
StateIowa
Coordinates42.01781, -92.32235
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.8 US tons
Inventory rating24.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2022)
Projected traffic33 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Troublesome Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2015.

What condition is Local over Troublesome 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 September 2024.

How much traffic does Local over Troublesome Creek carry?

About 33 vehicles per day (2022 count).

How long is Local over Troublesome Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 21 ft wide.

Who owns Local over Troublesome Creek?

It is owned by the County Highway Agency.