US Bridges

County Highway over Niobrara River

Good

Sheridan County, Nebraska · #20/27 9S 3E · Structure no. C008116705

Built
1978
47 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
3 main spans
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Niobrara River is a steel stringer/multi-beam or girder carrying County Highway over Niobrara River in Sheridan County, Nebraska. It was built in 1978, so it is 47 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 42 by 2033. The structure is 122 ft (37.2 m) long and 24 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesNiobrara River
Location#20/27 9S 3E
RouteCounty Highway 65
CountySheridan County
StateNebraska
Coordinates42.6717, -102.145
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length122 ft (37.2 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic42 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 County Highway over Niobrara River built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Highway over Niobrara River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does County Highway over Niobrara River carry?

About 35 vehicles per day (2003 count).

How long is County Highway over Niobrara River?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns County Highway over Niobrara River?

It is owned by the County Highway Agency.