US Bridges

N15 over Turkey Creek

Fair

Saline County, Nebraska · 15N Western · Structure no. S015 04225

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
222 ft
4 main spans
Daily traffic
1,170
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over Turkey Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying N15 over Turkey Creek in Saline County, Nebraska. It was built in 1967, 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 1,170 vehicles a day, roughly 31% of them trucks, projected to reach 1,638 by 2038. The structure is 222 ft (67.7 m) long and 33 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN15
CrossesTurkey Creek
Location15N Western
RouteState Highway 15
CountySaline County
StateNebraska
Coordinates40.6118, -97.1791
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.1 US tons
Inventory rating40.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length222 ft (67.7 m)
Longest span85 ft (25.9 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,170 (2018)
Projected traffic1,638 by 2038
Trucks31%
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 Turkey Creek built?

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

What condition is N15 over Turkey 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 August 2024.

How much traffic does N15 over Turkey Creek carry?

About 1,170 vehicles per day (2018 count), of which roughly 31% are trucks.

How long is N15 over Turkey Creek?

The structure is 222 ft (67.7 m) long with a longest span of 85 ft (25.9 m) and a deck 33 ft wide.

Who owns N15 over Turkey Creek?

It is owned by the State Highway Agency.