US Bridges

78th RD over Wood River

Fair

Buffalo County, Nebraska · .5W of Gibbon · Structure no. C001004220P

Built
1976
49 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

78th RD over Wood River is a prestressed concrete tee beam carrying 78th RD over Wood River in Buffalo County, Nebraska. It was built in 1976, so it is 49 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 255 by 2042. The structure is 80 ft (24.4 m) long and 29 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries78th RD
CrossesWood River
Location.5W of Gibbon
RouteCounty Highway 0P42
Coordinates40.7499, -98.8595
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic255 by 2042
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 78th RD over Wood River built?

It was built in 1976, making it 49 years old in 2025.

What condition is 78th RD 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 October 2023.

How much traffic does 78th RD over Wood River carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 78th RD over Wood River?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns 78th RD over Wood River?

It is owned by the County Highway Agency.