US Bridges

N39 over Prairie Creek

Fair

Merrick County, Nebraska · 1N Silver Creek · Structure no. S039 01099

Built
1965
60 years old, rebuilt 1993
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
142 ft
4 main spans
Daily traffic
1,280
2018 count
Owner
State
State Highway Agency

About this bridge

N39 over Prairie Creek is a concrete continuous slab carrying N39 over Prairie Creek in Merrick County, Nebraska. It was built in 1965 and reconstructed in 1993, 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 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 1,280 vehicles a day, roughly 10% of them trucks, projected to reach 1,920 by 2038. The structure is 142 ft (43.3 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN39
CrossesPrairie Creek
Location1N Silver Creek
RouteState Highway 39
Coordinates41.329, -97.6756
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating27.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,280 (2018)
Projected traffic1,920 by 2038
Trucks10%
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 N39 over Prairie Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1993.

What condition is N39 over Prairie 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 December 2024.

How much traffic does N39 over Prairie Creek carry?

About 1,280 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N39 over Prairie Creek?

The structure is 142 ft (43.3 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns N39 over Prairie Creek?

It is owned by the State Highway Agency.