US Bridges

CO RD 77 MI 7736 over Dry Wash

Fair

Cheyenne County, Nebraska · JCT US30/L-17B 2.6N · Structure no. C001720715

Built
1945
80 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
64 ft
5 main spans
Daily traffic
270
2011 count
Owner
County
County Highway Agency

About this bridge

CO RD 77 MI 7736 over Dry Wash is a concrete culvert carrying CO RD 77 MI 7736 over Dry Wash in Cheyenne County, Nebraska. It was built in 1945, so it is 80 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 270 vehicles a day, projected to reach 270 by 2033. The structure is 64 ft (19.5 m) long and 27 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

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CarriesCO RD 77 MI 7736
CrossesDry Wash
LocationJCT US30/L-17B 2.6N
RouteCounty Highway 1140
CountyCheyenne County
StateNebraska
Coordinates41.2512, -103.3192
Functional classRural Major Collector

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2011)
Projected traffic270 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 77 MI 7736 over Dry Wash built?

It was built in 1945, making it 80 years old in 2025.

What condition is CO RD 77 MI 7736 over Dry Wash 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 October 2023.

How much traffic does CO RD 77 MI 7736 over Dry Wash carry?

About 270 vehicles per day (2011 count).

How long is CO RD 77 MI 7736 over Dry Wash?

The structure is 64 ft (19.5 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns CO RD 77 MI 7736 over Dry Wash?

It is owned by the County Highway Agency.