US Bridges

CO RD 438/FAS 1620 over Buffalo Creek

Fair

Dawson County, Nebraska · Ejct US30/N21 5E 1.8N · Structure no. C002416110

Built
1980
45 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
120
2011 count
Owner
County
County Highway Agency

About this bridge

CO RD 438/FAS 1620 over Buffalo Creek is a prestressed concrete tee beam carrying CO RD 438/FAS 1620 over Buffalo Creek in Dawson County, Nebraska. It was built in 1980, so it is 45 years old, younger 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 120 vehicles a day, projected to reach 120 by 2033. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesCO RD 438/FAS 1620
CrossesBuffalo Creek
LocationEjct US30/N21 5E 1.8N
RouteCounty Highway 1620
CountyDawson County
StateNebraska
Coordinates40.807, -99.6548
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating27.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2011)
Projected traffic120 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 CO RD 438/FAS 1620 over Buffalo Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is CO RD 438/FAS 1620 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 CO RD 438/FAS 1620 over Buffalo Creek carry?

About 120 vehicles per day (2011 count).

How long is CO RD 438/FAS 1620 over Buffalo Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns CO RD 438/FAS 1620 over Buffalo Creek?

It is owned by the County Highway Agency.