US Bridges

County Road 434 over Buffalo Creek

Fair

Dawson County, Nebraska · 2.5N 1E of Lexington · Structure no. C002425310

Built
1935
90 years old, rebuilt 1980
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
80
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 434 over Buffalo Creek is a prestressed concrete tee beam carrying County Road 434 over Buffalo Creek in Dawson County, Nebraska. It was built in 1935 and reconstructed in 1980, so it is 90 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 80 vehicles a day, projected to reach 136 by 2033. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesCounty Road 434
CrossesBuffalo Creek
Location2.5N 1E of Lexington
RouteCounty Highway 253
CountyDawson County
StateNebraska
Coordinates40.83, -99.73
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2003)
Projected traffic136 by 2033
Trucks0%
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 434 over Buffalo Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1980.

What condition is County Road 434 over Buffalo Creek 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 County Road 434 over Buffalo Creek carry?

About 80 vehicles per day (2003 count).

How long is County Road 434 over Buffalo Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns County Road 434 over Buffalo Creek?

It is owned by the County Highway Agency.