US Bridges

Rimini RD over Ten Mile Creek 104

Good

Lewis and Clark County, Montana · 14M SW Helena · Structure no. L25606004+04001

Built
1981
44 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
231
2023 count
Owner
County
County Highway Agency

About this bridge

Rimini RD over Ten Mile Creek 104 is a prestressed concrete tee beam carrying Rimini RD over Ten Mile Creek 104 in Lewis and Clark County, Montana. It was built in 1981, so it is 44 years old, younger 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 231 vehicles a day, roughly 3% of them trucks, projected to reach 244 by 2043. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRimini RD
CrossesTen Mile Creek 104
Location14M SW Helena
RouteCounty Highway 25606
StateMontana
Coordinates46.52326, -112.25672
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic231 (2023)
Projected traffic244 by 2043
Trucks3%
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 Rimini RD over Ten Mile Creek 104 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Rimini RD over Ten Mile Creek 104 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 Rimini RD over Ten Mile Creek 104 carry?

About 231 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Rimini RD over Ten Mile Creek 104?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 27 ft wide.

Who owns Rimini RD over Ten Mile Creek 104?

It is owned by the County Highway Agency.