US Bridges

Bowman RD over Blodgett Creek 024

Fair

Ravalli County, Montana · 2M NW Hamilton · Structure no. L41008002+00001

Built
1993
32 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
1,344
2023 count
Owner
County
County Highway Agency

About this bridge

Bowman RD over Blodgett Creek 024 is a concrete channel beam carrying Bowman RD over Blodgett Creek 024 in Ravalli County, Montana. It was built in 1993, so it is 32 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 5 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 1,344 vehicles a day, projected to reach 1,431 by 2043. The structure is 29 ft (8.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBowman RD
CrossesBlodgett Creek 024
Location2M NW Hamilton
RouteCounty Highway 41008
StateMontana
Coordinates46.28523, -114.19209
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating34 US tons
Inventory rating26 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,344 (2023)
Projected traffic1,431 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Bowman RD over Blodgett Creek 024 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Bowman RD over Blodgett Creek 024 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 September 2023.

How much traffic does Bowman RD over Blodgett Creek 024 carry?

About 1,344 vehicles per day (2023 count).

How long is Bowman RD over Blodgett Creek 024?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Bowman RD over Blodgett Creek 024?

It is owned by the County Highway Agency.