US Bridges

N92 over Platte Overflow

Fair

Douglas County, Nebraska · 5E Yutan · Structure no. S092 46635

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
7,955
2018 count
Owner
State
State Highway Agency

About this bridge

N92 over Platte Overflow is a concrete slab carrying N92 over Platte Overflow in Douglas County, Nebraska. It was built in 1955, so it is 70 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 7,955 vehicles a day, roughly 9% of them trucks, projected to reach 11,137 by 2038. The structure is 38 ft (11.6 m) long and 44 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN92
CrossesPlatte Overflow
Location5E Yutan
RouteState Highway 92
Coordinates41.233, -96.292
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.8 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,955 (2018)
Projected traffic11,137 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N92 over Platte Overflow built?

It was built in 1955, making it 70 years old in 2025.

What condition is N92 over Platte Overflow 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 March 2024.

How much traffic does N92 over Platte Overflow carry?

About 7,955 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N92 over Platte Overflow?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 44 ft wide.

Who owns N92 over Platte Overflow?

It is owned by the State Highway Agency.