US Bridges

Meridian RD over Sweathouse Creek 099

Good

Ravalli County, Montana · Victor-Meridian RD · Structure no. L41053008+03001

Built
1973
52 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
27 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Meridian RD over Sweathouse Creek 099 is a steel culvert carrying Meridian RD over Sweathouse Creek 099 in Ravalli 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMeridian RD
CrossesSweathouse Creek 099
LocationVictor-Meridian RD
RouteCounty Highway 41053
StateMontana
Coordinates46.42382, -114.14616
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Meridian RD over Sweathouse Creek 099 built?

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

What condition is Meridian RD over Sweathouse Creek 099 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Meridian RD over Sweathouse Creek 099 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Meridian RD over Sweathouse Creek 099?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m).

Who owns Meridian RD over Sweathouse Creek 099?

It is owned by the County Highway Agency.