US Bridges

County Highway over Niobrara River

Good

Sheridan County, Nebraska · #20/S87 13 S 6.1 E · Structure no. C008132305P

Built
1982
43 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
15
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 1982, so it is 43 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 25 by 2033. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 149.1 mi (240 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesNiobrara River
Location#20/S87 13 S 6.1 E
RouteCounty Highway 0P125
CountySheridan County
StateNebraska
Coordinates42.4983, -102.5733
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2003)
Projected traffic25 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed149.1 mi (240 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 1982, making it 43 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 October 2023.

How much traffic does County Highway over Niobrara River carry?

About 15 vehicles per day (2003 count).

How long is County Highway over Niobrara River?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 25 ft wide.

Who owns County Highway over Niobrara River?

It is owned by the County Highway Agency.