US Bridges

Coll 7407 over Boxelder Creek

Good

Custer County, Nebraska · 1.5S 14E of Oconto #587A · Structure no. C002108105

Built
2016
9 years old
Condition
Good
inspected October 2022
Type
Culvert
Steel
Length
47 ft
4 main spans
Daily traffic
25
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7407 over Boxelder Creek is a steel culvert carrying Coll 7407 over Boxelder Creek in Custer County, Nebraska. It was built in 2016, so it is 9 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 42 by 2033. The structure is 47 ft (14.4 m) long. If it were closed, the detour would be 80.8 mi (130 km).

CarriesColl 7407
CrossesBoxelder Creek
Location1.5S 14E of Oconto #587A
RouteCounty Highway 7407
Coordinates41.1127, -99.4925
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 protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHL 93
Structure length47 ft (14.4 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1998)
Projected traffic42 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 7407 over Boxelder Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Coll 7407 over Boxelder 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 October 2022.

How much traffic does Coll 7407 over Boxelder Creek carry?

About 25 vehicles per day (1998 count).

How long is Coll 7407 over Boxelder Creek?

The structure is 47 ft (14.4 m) long with a longest span of 9 ft (2.8 m).

Who owns Coll 7407 over Boxelder Creek?

It is owned by the County Highway Agency.