US Bridges

Local over Salt Creek

Fair

Tama County, Iowa · 085142702 · Structure no. 000000000319711

Built
2009
16 years old
Condition
Fair
inspected September 2022
Type
Culvert
Steel
Length
20 ft
4 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Salt Creek is a steel culvert carrying Local over Salt Creek in Tama County, Iowa. It was built in 2009, so it is 16 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 6 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 2043. The structure is 20 ft (6.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesSalt Creek
Location085142702
RouteCounty Highway 0
StateIowa
Coordinates42.14115, -92.47515
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span4 ft (1.2 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2043
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Salt Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Local over Salt 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 2022.

How much traffic does Local over Salt Creek carry?

About 20 vehicles per day (2022 count).

How long is Local over Salt Creek?

The structure is 20 ft (6.1 m) long with a longest span of 4 ft (1.2 m) and a deck 30 ft wide.

Who owns Local over Salt Creek?

It is owned by the County Highway Agency.