US Bridges

711 RD-638A / 639B over Stream

FairPosted for load

Richardson County, Nebraska · .5 Dawson (711-638A/639B) · Structure no. C007412010

Built
1975
50 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

711 RD-638A / 639B over Stream is a steel stringer/multi-beam or girder carrying 711 RD-638A / 639B over Stream in Richardson County, Nebraska. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 85 by 2041. The structure is 63 ft (19.2 m) long and 26 ft wide.

Carries711 RD-638A / 639B
CrossesStream
Location.5 Dawson (711-638A/639B)
RouteCounty Highway 220
Coordinates40.1312, -95.8552
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.7 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic85 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 711 RD-638A / 639B over Stream built?

It was built in 1975, making it 50 years old in 2025.

What condition is 711 RD-638A / 639B over Stream 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 December 2023.

How much traffic does 711 RD-638A / 639B over Stream carry?

About 50 vehicles per day (2023 count).

How long is 711 RD-638A / 639B over Stream?

The structure is 63 ft (19.2 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns 711 RD-638A / 639B over Stream?

It is owned by the County Highway Agency.