US Bridges

County Highway over Walnut Creek

Good

Frontier County, Nebraska · 2S 2E of Stockville · Structure no. C003243005

Built
1981
44 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Walnut Creek is a steel stringer/multi-beam or girder carrying County Highway over Walnut Creek in Frontier County, Nebraska. It was built in 1981, so it is 44 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 51 by 2033. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

CarriesCounty Highway
CrossesWalnut Creek
Location2S 2E of Stockville
RouteCounty Highway 430
Coordinates40.4983, -100.34
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating100.3 US tons
Inventory rating59.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2003)
Projected traffic51 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 Walnut Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is County Highway over Walnut 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 October 2021.

How much traffic does County Highway over Walnut Creek carry?

About 30 vehicles per day (2003 count).

How long is County Highway over Walnut Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns County Highway over Walnut Creek?

It is owned by the County Highway Agency.