US Bridges

633 AV-715 / 717 R over Tributary to Crooked Bra

FairPosted for load

Richardson County, Nebraska · 2N Humb (633A-715/717R) · Structure no. C007410715

Built
1935
90 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

633 AV-715 / 717 R over Tributary to Crooked Bra is a steel stringer/multi-beam or girder carrying 633 AV-715 / 717 R over Tributary to Crooked Bra in Richardson 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 5 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 30 vehicles a day, projected to reach 51 by 2041. The structure is 29 ft (8.8 m) long and 25 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries633 AV-715 / 717 R
CrossesTributary to Crooked Bra
Location2N Humb (633A-715/717R)
RouteCounty Highway 107
CountyRichardson County
StateNebraska
Coordinates40.2049, -95.9546
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.3 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic51 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 633 AV-715 / 717 R over Tributary to Crooked Bra built?

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

What condition is 633 AV-715 / 717 R over Tributary to Crooked Bra 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 March 2024.

How much traffic does 633 AV-715 / 717 R over Tributary to Crooked Bra carry?

About 30 vehicles per day (2022 count).

How long is 633 AV-715 / 717 R over Tributary to Crooked Bra?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns 633 AV-715 / 717 R over Tributary to Crooked Bra?

It is owned by the County Highway Agency.