US Bridges

Township Road over Oak Creek

Good

Sherman County, Nebraska · 2W 2.3N of Ashton · Structure no. C008243910

Built
1935
90 years old
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
25
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over Oak Creek is a steel culvert carrying Township Road over Oak Creek in Sherman County, Nebraska. It was built in 1935, so it is 90 years old, older 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 25 vehicles a day, projected to reach 33 by 2033. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesTownship Road
CrossesOak Creek
Location2W 2.3N of Ashton
RouteCounty Highway 439
Coordinates41.2843, -98.842
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.5 US tons
Inventory rating27.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic33 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 Township Road over Oak Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Township Road over Oak 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 November 2024.

How much traffic does Township Road over Oak Creek carry?

About 25 vehicles per day (2003 count).

How long is Township Road over Oak Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns Township Road over Oak Creek?

It is owned by the County Highway Agency.