US Bridges

N15 over Maple Creek East Fk Trib

Good

Stanton County, Nebraska · 12S Pilger · Structure no. S015 13447

Built
1947
78 years old, rebuilt 2017
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,615
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over Maple Creek East Fk Trib is a concrete culvert carrying N15 over Maple Creek East Fk Trib in Stanton County, Nebraska. It was built in 1947 and reconstructed in 2017, so it is 78 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 1,615 vehicles a day, roughly 25% of them trucks, projected to reach 2,180 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN15
CrossesMaple Creek East Fk Trib
Location12S Pilger
RouteState Highway 15
Coordinates41.8281, -97.0584
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 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 spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,615 (2018)
Projected traffic2,180 by 2038
Trucks25%
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

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 N15 over Maple Creek East Fk Trib built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2017.

What condition is N15 over Maple Creek East Fk Trib 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 June 2023.

How much traffic does N15 over Maple Creek East Fk Trib carry?

About 1,615 vehicles per day (2018 count), of which roughly 25% are trucks.

How long is N15 over Maple Creek East Fk Trib?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns N15 over Maple Creek East Fk Trib?

It is owned by the State Highway Agency.