US Bridges

N11 over N Ch Platte River

Fair

Hall County, Nebraska · 3S Wood River · Structure no. S011 00569

Built
1959
66 years old, rebuilt 1985
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
1,330
2018 count
Owner
State
State Highway Agency

About this bridge

N11 over N Ch Platte River is a concrete continuous slab carrying N11 over N Ch Platte River in Hall County, Nebraska. It was built in 1959 and reconstructed in 1985, so it is 66 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 1,330 vehicles a day, roughly 9% of them trucks, projected to reach 1,530 by 2038. The structure is 49 ft (14.9 m) long and 35 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN11
CrossesN Ch Platte River
Location3S Wood River
RouteState Highway 11
CountyHall County
StateNebraska
Coordinates40.7771, -98.5884
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 adequacy7: Better than 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 length49 ft (14.9 m)
Longest span18 ft (5.5 m)
Deck width35 ft (10.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,330 (2018)
Projected traffic1,530 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 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 N11 over N Ch Platte River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1985.

What condition is N11 over N Ch Platte River 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 July 2023.

How much traffic does N11 over N Ch Platte River carry?

About 1,330 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N11 over N Ch Platte River?

The structure is 49 ft (14.9 m) long with a longest span of 18 ft (5.5 m) and a deck 35 ft wide.

Who owns N11 over N Ch Platte River?

It is owned by the State Highway Agency.