US Bridges

SB US81 over Big Sandy Creek

Fair

Thayer County, Nebraska · 6N Hebron · Structure no. S081 01847L

Built
1937
88 years old, rebuilt 1981
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
201 ft
4 main spans
Daily traffic
5,495
2018 count
Owner
State
State Highway Agency

About this bridge

SB US81 over Big Sandy Creek is a steel stringer/multi-beam or girder carrying SB US81 over Big Sandy Creek in Thayer County, Nebraska. It was built in 1937 and reconstructed in 1981, so it is 88 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 5,495 vehicles a day, roughly 29% of them trucks, projected to reach 7,968 by 2038. The structure is 201 ft (61.3 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesSB US81
CrossesBig Sandy Creek
Location6N Hebron
RouteU.S. Route 81
Coordinates40.2549, -97.5768
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating27.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length201 ft (61.3 m)
Longest span63 ft (19.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,495 (2018)
Projected traffic7,968 by 2038
Trucks29%
Lanes on structure2
Traffic directionOne-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SB US81 over Big Sandy Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1981.

What condition is SB US81 over Big Sandy 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 SB US81 over Big Sandy Creek carry?

About 5,495 vehicles per day (2018 count), of which roughly 29% are trucks.

How long is SB US81 over Big Sandy Creek?

The structure is 201 ft (61.3 m) long with a longest span of 63 ft (19.2 m) and a deck 43 ft wide.

Who owns SB US81 over Big Sandy Creek?

It is owned by the State Highway Agency.