US Bridges

Coll 7599 over Big Sandy Creek

Good

Clay County, Nebraska · 3.5E .1S of Edgar · Structure no. C001804105

Built
1997
28 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
65
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7599 over Big Sandy Creek is a concrete culvert carrying Coll 7599 over Big Sandy Creek in Clay County, Nebraska. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65 vehicles a day, projected to reach 110 by 2041. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesColl 7599
CrossesBig Sandy Creek
Location3.5E .1S of Edgar
RouteCounty Highway 7599
Coordinates40.36, -97.9
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.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (1998)
Projected traffic110 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 Coll 7599 over Big Sandy Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Coll 7599 over Big Sandy Creek 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 November 2024.

How much traffic does Coll 7599 over Big Sandy Creek carry?

About 65 vehicles per day (1998 count).

How long is Coll 7599 over Big Sandy Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Coll 7599 over Big Sandy Creek?

It is owned by the County Highway Agency.