US Bridges

US 93 FH 19 over Rye Creek

Fair

Ravalli County, Montana · 5M SE Darby · Structure no. P00007025+09211

Built
1990
35 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
1,099
2023 count
Owner
State
State Highway Agency

About this bridge

US 93 FH 19 over Rye Creek is a concrete continuous slab carrying US 93 FH 19 over Rye Creek in Ravalli County, Montana. It was built in 1990, so it is 35 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 1,099 vehicles a day, roughly 4% of them trucks, projected to reach 1,154 by 2043. The structure is 61 ft (18.6 m) long and 42 ft wide. If it were closed, the detour would be 78.3 mi (126 km).

CarriesUS 93 FH 19
CrossesRye Creek
Location5M SE Darby
RouteU.S. Route 93
StateMontana
Coordinates45.96675, -114.13527
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating40 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length61 ft (18.6 m)
Longest span23 ft (7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,099 (2023)
Projected traffic1,154 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.3 mi (126 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 93 FH 19 over Rye Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is US 93 FH 19 over Rye Creek 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 July 2024.

How much traffic does US 93 FH 19 over Rye Creek carry?

About 1,099 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 93 FH 19 over Rye Creek?

The structure is 61 ft (18.6 m) long with a longest span of 23 ft (7 m) and a deck 42 ft wide.

Who owns US 93 FH 19 over Rye Creek?

It is owned by the State Highway Agency.