US Bridges

Kearney Lane over Mill Creek

Good

Madison County, Montana · E Sheridan · Structure no. 000000000007083

Built
2015
10 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Kearney Lane over Mill Creek is a concrete slab carrying Kearney Lane over Mill Creek in Madison County, Montana. It was built in 2015, so it is 10 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKearney Lane
CrossesMill Creek
LocationE Sheridan
RouteCounty Highway 29035
StateMontana
Coordinates45.45884, -112.18452
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 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 closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kearney Lane over Mill Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Kearney Lane over Mill Creek 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 September 2024.

How much traffic does Kearney Lane over Mill Creek carry?

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

How long is Kearney Lane over Mill Creek?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns Kearney Lane over Mill Creek?

It is owned by the County Highway Agency.