US Bridges

Local over Silver Creek

Good

Jasper County, Iowa · 081210701 · Structure no. 000000000199511

Built
2002
23 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Silver Creek is a steel stringer/multi-beam or girder carrying Local over Silver Creek in Jasper County, Iowa. It was built in 2002, so it is 23 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 35 by 2044. The structure is 85 ft (25.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesSilver Creek
Location081210701
RouteCounty Highway 0
StateIowa
Coordinates41.84916, -93.33451
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating29.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span84 ft (25.6 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Silver Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Local over Silver 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 April 2024.

How much traffic does Local over Silver Creek carry?

About 35 vehicles per day (2022 count).

How long is Local over Silver Creek?

The structure is 85 ft (25.9 m) long with a longest span of 84 ft (25.6 m) and a deck 26 ft wide.

Who owns Local over Silver Creek?

It is owned by the County Highway Agency.