US Bridges

N40 over Dry Fork Creek

Good

Dawson County, Nebraska · 5NW Sumner · Structure no. S040 05396

Built
1965
60 years old, rebuilt 2004
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
870
2018 count
Owner
State
State Highway Agency

About this bridge

N40 over Dry Fork Creek is a steel stringer/multi-beam or girder carrying N40 over Dry Fork Creek in Dawson County, Nebraska. It was built in 1965 and reconstructed in 2004, so it is 60 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 870 vehicles a day, roughly 7% of them trucks, projected to reach 1,131 by 2038. The structure is 102 ft (31.1 m) long and 39 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN40
CrossesDry Fork Creek
Location5NW Sumner
RouteState Highway 40
Coordinates40.9691, -99.6003
Functional classRural Minor Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.4 US tons
Inventory rating59.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2018)
Projected traffic1,131 by 2038
Trucks7%
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 N40 over Dry Fork Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2004.

What condition is N40 over Dry Fork 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 2023.

How much traffic does N40 over Dry Fork Creek carry?

About 870 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is N40 over Dry Fork Creek?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.

Who owns N40 over Dry Fork Creek?

It is owned by the State Highway Agency.