US Bridges

Camp Crook Rd. over Big Bumbo Creek

Good

Bowman County, North Dakota · 15 South of Marmarth · Structure no. 000000006105130

Built
1999
26 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
90
2017 count
Owner
County
County Highway Agency

About this bridge

Camp Crook Rd. over Big Bumbo Creek is a concrete culvert carrying Camp Crook Rd. over Big Bumbo Creek in Bowman County, North Dakota. It was built in 1999, so it is 26 years old, younger than the North Dakota average of 48.2 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 90 vehicles a day, projected to reach 90 by 2037. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCamp Crook Rd.
CrossesBig Bumbo Creek
Location15 South of Marmarth
RouteCounty Highway 605
Coordinates46.10216, -103.95277
Functional classRural Major 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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating73.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2017)
Projected traffic90 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Camp Crook Rd. over Big Bumbo Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Camp Crook Rd. over Big Bumbo 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 2021.

How much traffic does Camp Crook Rd. over Big Bumbo Creek carry?

About 90 vehicles per day (2017 count).

How long is Camp Crook Rd. over Big Bumbo Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).

Who owns Camp Crook Rd. over Big Bumbo Creek?

It is owned by the County Highway Agency.