US Bridges

County Road 446 over Wood River

Fair

Dawson County, Nebraska · N Edge of Sumner · Structure no. C002427715

Built
1963
62 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
119 ft
3 main spans
Daily traffic
100
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 446 over Wood River is a prestressed concrete stringer/multi-beam or girder carrying County Road 446 over Wood River in Dawson County, Nebraska. It was built in 1963, so it is 62 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2033. The structure is 119 ft (36.3 m) long and 26 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesCounty Road 446
CrossesWood River
LocationN Edge of Sumner
RouteCounty Highway 277
CountyDawson County
StateNebraska
Coordinates40.955, -99.5033
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length119 ft (36.3 m)
Longest span39 ft (11.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2003)
Projected traffic170 by 2033
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

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 446 over Wood River built?

It was built in 1963, making it 62 years old in 2025.

What condition is County Road 446 over Wood 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 November 2023.

How much traffic does County Road 446 over Wood River carry?

About 100 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Road 446 over Wood River?

The structure is 119 ft (36.3 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns County Road 446 over Wood River?

It is owned by the County Highway Agency.