US Bridges

County Highway over Twin Creek

Good

Harlan County, Nebraska · .5SE of Stamford · Structure no. C004203405

Built
2005
20 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
70
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Twin Creek is a steel stringer/multi-beam or girder carrying County Highway over Twin Creek in Harlan County, Nebraska. It was built in 2005, so it is 20 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 119 by 2033. The structure is 37 ft (11.3 m) long and 29 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCounty Highway
CrossesTwin Creek
Location.5SE of Stamford
RouteCounty Highway 34
Coordinates40.1186, -99.5843
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.1 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2003)
Projected traffic119 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Twin Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Highway over Twin Creek 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 September 2021.

How much traffic does County Highway over Twin Creek carry?

About 70 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Highway over Twin Creek?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns County Highway over Twin Creek?

It is owned by the County Highway Agency.