US Bridges

County Road 12 over Silver Creek

FairPosted for load

Saunders County, Nebraska · .4S 1E of Ithaca · Structure no. C007804125

Built
1935
90 years old
Condition
Fair
inspected July 2023
Type
Girder and Floorbeam System
Steel
Length
40 ft
1 main span
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 12 over Silver Creek is a steel girder and floorbeam system carrying County Road 12 over Silver Creek in Saunders County, Nebraska. It was built in 1935, so it is 90 years old, older than the Nebraska average of 47.1 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 load restriction.

It carries about 10 vehicles a day, projected to reach 17 by 2033. The structure is 40 ft (12.2 m) long and 18 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesCounty Road 12
CrossesSilver Creek
Location.4S 1E of Ithaca
RouteCounty Highway 41
Coordinates41.1495, -96.5212
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.7 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2003)
Projected traffic17 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 County Road 12 over Silver Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is County Road 12 over Silver 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 July 2023.

How much traffic does County Road 12 over Silver Creek carry?

About 10 vehicles per day (2003 count).

How long is County Road 12 over Silver Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 18 ft wide.

Who owns County Road 12 over Silver Creek?

It is owned by the County Highway Agency.