US Bridges

Local over Salt Creek

Good

Tama County, Iowa · 085143502 · Structure no. 000000000319791

Built
2003
22 years old
Condition
Good
inspected September 2022
Type
Slab
Steel
Length
99 ft
3 main spans
Daily traffic
5
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Salt Creek is a steel slab carrying Local over Salt Creek in Tama County, Iowa. It was built in 2003, so it is 22 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, projected to reach 5 by 2043. The structure is 99 ft (30.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesSalt Creek
Location085143502
RouteCounty Highway 0
StateIowa
Coordinates42.12628, -92.4556
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60.8 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span39 ft (11.9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2022)
Projected traffic5 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Salt Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Local over Salt Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does Local over Salt Creek carry?

About 5 vehicles per day (2022 count).

How long is Local over Salt Creek?

The structure is 99 ft (30.2 m) long with a longest span of 39 ft (11.9 m) and a deck 30 ft wide.

Who owns Local over Salt Creek?

It is owned by the County Highway Agency.