US Bridges

County Road C over Tri-State Canal

Good

Scotts Bluff County, Nebraska · 1.5N 1W of Mitchell · Structure no. C007930615

Built
2004
21 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

County Road C over Tri-State Canal is a steel stringer/multi-beam or girder carrying County Road C over Tri-State Canal in Scotts Bluff County, Nebraska. It was built in 2004, so it is 21 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 20 vehicles a day, projected to reach 29 by 2033. The structure is 76 ft (23.2 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesCounty Road C
CrossesTri-State Canal
Location1.5N 1W of Mitchell
RouteCounty Highway 306
CountyScotts Bluff County
StateNebraska
Coordinates41.9716, -103.8355
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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating99.2 US tons
Inventory rating59.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span74 ft (22.6 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic29 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road C over Tri-State Canal built?

It was built in 2004, making it 21 years old in 2025.

What condition is County Road C over Tri-State Canal 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 2022.

How much traffic does County Road C over Tri-State Canal carry?

About 20 vehicles per day (2003 count).

How long is County Road C over Tri-State Canal?

The structure is 76 ft (23.2 m) long with a longest span of 74 ft (22.6 m) and a deck 32 ft wide.

Who owns County Road C over Tri-State Canal?

It is owned by the County Highway Agency.