US Bridges

7100 RD over Big Sandy Creek

FairPosted for load

Thayer County, Nebraska · .7W Alexandria · Structure no. C008534515

Built
1935
90 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

7100 RD over Big Sandy Creek is a steel stringer/multi-beam or girder carrying 7100 RD over Big Sandy Creek in Thayer County, Nebraska. It was built in 1935, 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 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 35 vehicles a day, projected to reach 47 by 2033. The structure is 150 ft (45.7 m) long and 25 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries7100 RD
CrossesBig Sandy Creek
Location.7W Alexandria
RouteCounty Highway 345
Coordinates40.2406, -97.4071
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 21 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating37.5 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic47 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 7100 RD over Big Sandy Creek built?

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

What condition is 7100 RD over Big Sandy 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 February 2025.

How much traffic does 7100 RD over Big Sandy Creek carry?

About 35 vehicles per day (2003 count).

How long is 7100 RD over Big Sandy Creek?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns 7100 RD over Big Sandy Creek?

It is owned by the County Highway Agency.