US Bridges

Whitebird CR RD over Whitebird Creek 049

Fair

Stillwater County, Montana · 7M NE Absarokee · Structure no. L48200001+04001

Built
1998
27 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
263
2023 count
Owner
County
County Highway Agency

About this bridge

Whitebird CR RD over Whitebird Creek 049 is a prestressed concrete channel beam carrying Whitebird CR RD over Whitebird Creek 049 in Stillwater County, Montana. It was built in 1998, so it is 27 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 263 vehicles a day, roughly 2% of them trucks, projected to reach 279 by 2043. The structure is 28 ft (8.5 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesWhitebird CR RD
CrossesWhitebird Creek 049
Location7M NE Absarokee
RouteCounty Highway 200
CountyStillwater County
StateMontana
Coordinates45.5535, -109.31751
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.2 US tons
Inventory rating31.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2023)
Projected traffic279 by 2043
Trucks2%
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 Whitebird CR RD over Whitebird Creek 049 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Whitebird CR RD over Whitebird Creek 049 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 June 2023.

How much traffic does Whitebird CR RD over Whitebird Creek 049 carry?

About 263 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Whitebird CR RD over Whitebird Creek 049?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns Whitebird CR RD over Whitebird Creek 049?

It is owned by the County Highway Agency.