US Bridges

County Road 303 over Box Elder Creek 082

Fair

Dawson County, Montana · 17M NE Glendive · Structure no. L11300016+02001

Built
2001
24 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

County Road 303 over Box Elder Creek 082 is a prestressed concrete tee beam carrying County Road 303 over Box Elder Creek 082 in Dawson County, Montana. It was built in 2001, so it is 24 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 79 ft (24 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Road 303
CrossesBox Elder Creek 082
Location17M NE Glendive
RouteCounty Highway 11300
StateMontana
Coordinates47.27417, -104.50248
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating52 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length79 ft (24 m)
Longest span79 ft (24 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
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 County Road 303 over Box Elder Creek 082 built?

It was built in 2001, making it 24 years old in 2025.

What condition is County Road 303 over Box Elder Creek 082 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does County Road 303 over Box Elder Creek 082 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is County Road 303 over Box Elder Creek 082?

The structure is 79 ft (24 m) long with a longest span of 79 ft (24 m) and a deck 28 ft wide.

Who owns County Road 303 over Box Elder Creek 082?

It is owned by the County Highway Agency.