US Bridges

N39 over Stream

Fair

Platte County, Nebraska · 8N Genoa · Structure no. S039 02905

Built
1941
84 years old, rebuilt 1986
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
1,990
2018 count
Owner
State
State Highway Agency

About this bridge

N39 over Stream is a concrete continuous slab carrying N39 over Stream in Platte County, Nebraska. It was built in 1941 and reconstructed in 1986, so it is 84 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 6 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 1,990 vehicles a day, roughly 15% of them trucks, projected to reach 2,587 by 2038. The structure is 101 ft (30.8 m) long and 39 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN39
CrossesStream
Location8N Genoa
RouteState Highway 39
Coordinates41.5471, -97.8234
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length101 ft (30.8 m)
Longest span39 ft (11.9 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2018)
Projected traffic2,587 by 2038
Trucks15%
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 Stream built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1986.

What condition is N39 over Stream 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 June 2023.

How much traffic does N39 over Stream carry?

About 1,990 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is N39 over Stream?

The structure is 101 ft (30.8 m) long with a longest span of 39 ft (11.9 m) and a deck 39 ft wide.

Who owns N39 over Stream?

It is owned by the State Highway Agency.