US Bridges

E Reeder Street over Blacktail Deer Creek 131

Good

Beaverhead County, Montana · Dillon-E Reeder ST · Structure no. M01033000+00201

Built
2010
15 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
1,937
2023 count
Owner
County
County Highway Agency

About this bridge

E Reeder Street over Blacktail Deer Creek 131 is a prestressed concrete tee beam carrying E Reeder Street over Blacktail Deer Creek 131 in Beaverhead County, Montana. It was built in 2010, so it is 15 years old, younger than the Montana average of 47 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 1,937 vehicles a day, roughly 3% of them trucks, projected to reach 2,063 by 2043. The structure is 46 ft (14 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesE Reeder Street
CrossesBlacktail Deer Creek 131
LocationDillon-E Reeder ST
RouteCity Street 1033
StateMontana
Coordinates45.21601, -112.64056
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating22.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width40 ft (12.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,937 (2023)
Projected traffic2,063 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 E Reeder Street over Blacktail Deer Creek 131 built?

It was built in 2010, making it 15 years old in 2025.

What condition is E Reeder Street over Blacktail Deer Creek 131 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 2023.

How much traffic does E Reeder Street over Blacktail Deer Creek 131 carry?

About 1,937 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is E Reeder Street over Blacktail Deer Creek 131?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 40 ft wide.

Who owns E Reeder Street over Blacktail Deer Creek 131?

It is owned by the County Highway Agency.