US Bridges

US77/N92 over Silver Creek Trib

Fair

Saunders County, Nebraska · 7NE Wahoo · Structure no. S077 09993

Built
1926
99 years old, rebuilt 1954
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
8,520
2018 count
Owner
State
State Highway Agency

About this bridge

US77/N92 over Silver Creek Trib is a concrete culvert carrying US77/N92 over Silver Creek Trib in Saunders County, Nebraska. It was built in 1926 and reconstructed in 1954, so it is 99 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.

It carries about 8,520 vehicles a day, roughly 13% of them trucks, projected to reach 12,780 by 2038. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesUS77/N92
CrossesSilver Creek Trib
Location7NE Wahoo
RouteU.S. Route 77
CountySaunders County
StateNebraska
Coordinates41.2342, -96.507
Functional classRural Principal Arterial - Other

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,520 (2018)
Projected traffic12,780 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US77/N92 over Silver Creek Trib built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1954.

What condition is US77/N92 over Silver Creek Trib 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 June 2024.

How much traffic does US77/N92 over Silver Creek Trib carry?

About 8,520 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is US77/N92 over Silver Creek Trib?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns US77/N92 over Silver Creek Trib?

It is owned by the State Highway Agency.