US Bridges

N15 over South Logan Creek

Fair

Wayne County, Nebraska · 0S Wayne · Structure no. S015 16384

Built
1967
58 years old, rebuilt 2013
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
3,850
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over South Logan Creek is a concrete continuous slab carrying N15 over South Logan Creek in Wayne County, Nebraska. It was built in 1967 and reconstructed in 2013, so it is 58 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,850 vehicles a day, roughly 6% of them trucks, projected to reach 3,966 by 2038. The structure is 122 ft (37.2 m) long and 51 ft wide. If it were closed, the detour would be 298.3 mi (480 km).

CarriesN15
CrossesSouth Logan Creek
Location0S Wayne
RouteState Highway 15
Coordinates42.2243, -97.0178
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.7 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span49 ft (14.9 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,850 (2018)
Projected traffic3,966 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed298.3 mi (480 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N15 over South Logan Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2013.

What condition is N15 over South Logan Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does N15 over South Logan Creek carry?

About 3,850 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is N15 over South Logan Creek?

The structure is 122 ft (37.2 m) long with a longest span of 49 ft (14.9 m) and a deck 51 ft wide.

Who owns N15 over South Logan Creek?

It is owned by the State Highway Agency.