US Bridges

Coll 7407 over East Boxelder Creek

Good

Custer County, Nebraska · 14.5E of Oconto #519A · Structure no. C002108105P

Built
1940
85 years old, rebuilt 2016
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
35 ft
4 main spans
Daily traffic
25
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7407 over East Boxelder Creek is a steel culvert carrying Coll 7407 over East Boxelder Creek in Custer County, Nebraska. It was built in 1940 and reconstructed in 2016, so it is 85 years old, older 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 35 ft (10.7 m) long. If it were closed, the detour would be 37.3 mi (60 km).

CarriesColl 7407
CrossesEast Boxelder Creek
Location14.5E of Oconto #519A
RouteCounty Highway 7407
Coordinates41.1399, -99.4824
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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 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 length35 ft (10.7 m)
Longest span6 ft (1.9 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 closed37.3 mi (60 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7407 over East Boxelder Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2016.

What condition is Coll 7407 over East 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 2024.

How much traffic does Coll 7407 over East Boxelder Creek carry?

About 25 vehicles per day (1998 count).

How long is Coll 7407 over East Boxelder Creek?

The structure is 35 ft (10.7 m) long with a longest span of 6 ft (1.9 m).

Who owns Coll 7407 over East Boxelder Creek?

It is owned by the County Highway Agency.