US Bridges

Gordon RD over Muddy Creek 042

Fair

Cascade County, Montana · 7M NW Vaughn · Structure no. L07039002+05001

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Prestressed Concrete
Length
80 ft
3 main spans
Daily traffic
367
2023 count
Owner
County
County Highway Agency

About this bridge

Gordon RD over Muddy Creek 042 is a prestressed concrete channel beam carrying Gordon RD over Muddy Creek 042 in Cascade County, Montana. It was built in 1973, so it is 52 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 367 vehicles a day, roughly 3% of them trucks, projected to reach 387 by 2043. The structure is 80 ft (24.4 m) long and 29 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesGordon RD
CrossesMuddy Creek 042
Location7M NW Vaughn
RouteCounty Highway 7039
StateMontana
Coordinates47.62578, -111.63642
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length80 ft (24.4 m)
Longest span64 ft (19.5 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic367 (2023)
Projected traffic387 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Gordon RD over Muddy Creek 042 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Gordon RD over Muddy Creek 042 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 December 2024.

How much traffic does Gordon RD over Muddy Creek 042 carry?

About 367 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Gordon RD over Muddy Creek 042?

The structure is 80 ft (24.4 m) long with a longest span of 64 ft (19.5 m) and a deck 29 ft wide.

Who owns Gordon RD over Muddy Creek 042?

It is owned by the County Highway Agency.