US Bridges

IRR/US77 over Stream

Fair

Thurston County, Nebraska · 8S Winnebago · Structure no. S077 16180

Built
1938
87 years old, rebuilt 1965
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,760
2018 count
Owner
State
State Highway Agency

About this bridge

IRR/US77 over Stream is a concrete culvert carrying IRR/US77 over Stream in Thurston County, Nebraska. It was built in 1938 and reconstructed in 1965, so it is 87 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 6 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 2,760 vehicles a day, roughly 20% of them trucks, projected to reach 3,726 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesIRR/US77
CrossesStream
Location8S Winnebago
RouteU.S. Route 77
CountyThurston County
StateNebraska
Coordinates42.1213, -96.468
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy7: Better than present minimum 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 loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,760 (2018)
Projected traffic3,726 by 2038
Trucks20%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR/US77 over Stream built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1965.

What condition is IRR/US77 over Stream 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 September 2024.

How much traffic does IRR/US77 over Stream carry?

About 2,760 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is IRR/US77 over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns IRR/US77 over Stream?

It is owned by the State Highway Agency.