US Bridges

S31C Naponee Spur over Turkey Creek

Good

Franklin County, Nebraska · JCT US136/S31C .7S · Structure no. SS31C00065

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
3 main spans
Daily traffic
320
2018 count
Owner
State
State Highway Agency

About this bridge

S31C Naponee Spur over Turkey Creek is a steel continuous stringer/multi-beam or girder carrying S31C Naponee Spur over Turkey Creek in Franklin County, Nebraska. It was built in 2004, so it is 21 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 320 vehicles a day, roughly 9% of them trucks, projected to reach 416 by 2038. The structure is 193 ft (58.8 m) long and 38 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesS31C Naponee Spur
CrossesTurkey Creek
LocationJCT US136/S31C .7S
RouteState Highway 0S31C
Coordinates40.0941, -99.1415
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating34.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length193 ft (58.8 m)
Longest span86 ft (26.2 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2018)
Projected traffic416 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S31C Naponee Spur over Turkey Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is S31C Naponee Spur over Turkey 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 S31C Naponee Spur over Turkey Creek carry?

About 320 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is S31C Naponee Spur over Turkey Creek?

The structure is 193 ft (58.8 m) long with a longest span of 86 ft (26.2 m) and a deck 38 ft wide.

Who owns S31C Naponee Spur over Turkey Creek?

It is owned by the State Highway Agency.