US Bridges

Spring Creek LN over Spring Creek 152

Good

Lewis and Clark County, Montana · Lincoln · Structure no. L25996000+01001

Built
2010
15 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Spring Creek LN over Spring Creek 152 is a steel stringer/multi-beam or girder carrying Spring Creek LN over Spring Creek 152 in Lewis and Clark County, Montana. It was built in 2010, so it is 15 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 8 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 35 ft (10.8 m) long and 25 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSpring Creek LN
CrossesSpring Creek 152
LocationLincoln
RouteCounty Highway 25996
StateMontana
Coordinates46.95644, -112.68414
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span34 ft (10.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Spring Creek LN over Spring Creek 152 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Spring Creek LN over Spring Creek 152 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 July 2024.

How much traffic does Spring Creek LN over Spring Creek 152 carry?

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

How long is Spring Creek LN over Spring Creek 152?

The structure is 35 ft (10.8 m) long with a longest span of 34 ft (10.4 m) and a deck 25 ft wide.

Who owns Spring Creek LN over Spring Creek 152?

It is owned by the County Highway Agency.