US Bridges

717 RD-633/634 Av over Crooked Branch

Good

Richardson County, Nebraska · 3.5N Humb (717R-633/634A) · Structure no. C007400807

Built
1995
30 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

717 RD-633/634 Av over Crooked Branch is a concrete culvert carrying 717 RD-633/634 Av over Crooked Branch in Richardson County, Nebraska. It was built in 1995, so it is 30 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 51 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries717 RD-633/634 Av
CrossesCrooked Branch
Location3.5N Humb (717R-633/634A)
RouteCounty Highway 7886
CountyRichardson County
StateNebraska
Coordinates40.2179, -95.9524
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic51 by 2040
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 717 RD-633/634 Av over Crooked Branch built?

It was built in 1995, making it 30 years old in 2025.

What condition is 717 RD-633/634 Av over Crooked Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does 717 RD-633/634 Av over Crooked Branch carry?

About 30 vehicles per day (2023 count).

How long is 717 RD-633/634 Av over Crooked Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 717 RD-633/634 Av over Crooked Branch?

It is owned by the County Highway Agency.