US Bridges

CO RD O02 FH 73 over Wise River 075

Fair

Beaverhead County, Montana · 12M S Wise River · Structure no. L01002012+07001

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
104 ft
2 main spans
Daily traffic
224
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD O02 FH 73 over Wise River 075 is a prestressed concrete stringer/multi-beam or girder carrying CO RD O02 FH 73 over Wise River 075 in Beaverhead County, Montana. It was built in 1971, so it is 54 years old, older 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 224 vehicles a day, roughly 3% of them trucks, projected to reach 240 by 2043. The structure is 104 ft (31.7 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCO RD O02 FH 73
CrossesWise River 075
Location12M S Wise River
RouteFederal Lands Road 1002
StateMontana
Coordinates45.64549, -113.07174
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic224 (2023)
Projected traffic240 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 CO RD O02 FH 73 over Wise River 075 built?

It was built in 1971, making it 54 years old in 2025.

What condition is CO RD O02 FH 73 over Wise River 075 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 August 2024.

How much traffic does CO RD O02 FH 73 over Wise River 075 carry?

About 224 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CO RD O02 FH 73 over Wise River 075?

The structure is 104 ft (31.7 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns CO RD O02 FH 73 over Wise River 075?

It is owned by the County Highway Agency.