US Bridges

N46 over Dry Creek

Good

Harlan County, Nebraska · 1N Oxford · Structure no. S046 00919

Built
1937
88 years old, rebuilt 1977
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
1,060
2018 count
Owner
State
State Highway Agency

About this bridge

N46 over Dry Creek is a concrete culvert carrying N46 over Dry Creek in Harlan County, Nebraska. It was built in 1937 and reconstructed in 1977, so it is 88 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 1,060 vehicles a day, roughly 6% of them trucks, projected to reach 1,431 by 2038. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN46
CrossesDry Creek
Location1N Oxford
RouteState Highway 46
Coordinates40.2677, -99.6306
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,060 (2018)
Projected traffic1,431 by 2038
Trucks6%
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

OwnerState Highway Agency
Maintained byState 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 N46 over Dry Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1977.

What condition is N46 over Dry 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 April 2023.

How much traffic does N46 over Dry Creek carry?

About 1,060 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is N46 over Dry Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns N46 over Dry Creek?

It is owned by the State Highway Agency.