US Bridges

Road 12 over Silver Creek Trib

Good

Saunders County, Nebraska · .7S 1E of Ithaca · Structure no. C007804120

Built
2017
8 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
102 ft
3 main spans
Daily traffic
70
2003 count
Owner
County
County Highway Agency

About this bridge

Road 12 over Silver Creek Trib is a concrete stringer/multi-beam or girder carrying Road 12 over Silver Creek Trib in Saunders County, Nebraska. It was built in 2017, so it is 8 years old, younger than the Nebraska average of 47.1 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 70 vehicles a day, projected to reach 101 by 2033. The structure is 102 ft (31.1 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesRoad 12
CrossesSilver Creek Trib
Location.7S 1E of Ithaca
RouteCounty Highway 41
CountySaunders County
StateNebraska
Coordinates41.144, -96.5212
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.1 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2003)
Projected traffic101 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 Road 12 over Silver Creek Trib built?

It was built in 2017, making it 8 years old in 2025.

What condition is Road 12 over Silver Creek Trib 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 August 2024.

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

About 70 vehicles per day (2003 count).

How long is Road 12 over Silver Creek Trib?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns Road 12 over Silver Creek Trib?

It is owned by the County Highway Agency.