US Bridges

US77/N92 over Silver Creek

FairPosted for load

Saunders County, Nebraska · 5NE Wahoo · Structure no. S077 09791

Built
1926
99 years old, rebuilt 2008
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
8,520
2018 count
Owner
State
State Highway Agency

About this bridge

US77/N92 over Silver Creek is a steel stringer/multi-beam or girder carrying US77/N92 over Silver Creek in Saunders County, Nebraska. It was built in 1926 and reconstructed in 2008, 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. Its operating status is: posted for load restriction.

It carries about 8,520 vehicles a day, roughly 13% of them trucks, projected to reach 12,780 by 2038. The structure is 52 ft (15.8 m) long and 34 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesUS77/N92
CrossesSilver Creek
Location5NE Wahoo
RouteU.S. Route 77
CountySaunders County
StateNebraska
Coordinates41.2346, -96.5455
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.3 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 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 closed31.1 mi (50 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US77/N92 over Silver Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2008.

What condition is US77/N92 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 June 2024.

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

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

How long is US77/N92 over Silver Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns US77/N92 over Silver Creek?

It is owned by the State Highway Agency.