US Bridges

Olies RD over Wolf Creek 088

Fair

Fergus County, Montana · 6M E Denton · Structure no. L14028002+02001

Built
1983
42 years old, rebuilt 2022
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Olies RD over Wolf Creek 088 is a steel stringer/multi-beam or girder carrying Olies RD over Wolf Creek 088 in Fergus County, Montana. It was built in 1983 and reconstructed in 2022, so it is 42 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 51 ft (15.5 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesOlies RD
CrossesWolf Creek 088
Location6M E Denton
RouteCounty Highway 14028
StateMontana
Coordinates47.3215, -109.82989
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.7 US tons
Inventory rating18.5 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 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 closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$92,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Olies RD over Wolf Creek 088 built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2022.

What condition is Olies RD over Wolf Creek 088 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 Olies RD over Wolf Creek 088 carry?

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

How long is Olies RD over Wolf Creek 088?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.

Who owns Olies RD over Wolf Creek 088?

It is owned by the County Highway Agency.