US Bridges

Ut 115 over Bostick Creek

Fair

Lake of the Woods County, Minnesota · 0.8 MI S of JCT Csah 8 · Structure no. 39507

Built
1979
46 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Prestressed Concrete
Length
81 ft
3 main spans
Daily traffic
40
1998 count
Owner
County
County Highway Agency

About this bridge

Ut 115 over Bostick Creek is a prestressed concrete channel beam carrying Ut 115 over Bostick Creek in Lake of the Woods County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 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 40 vehicles a day, projected to reach 40 by 2029. The structure is 81 ft (24.8 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUt 115
CrossesBostick Creek
Location0.8 MI S of JCT Csah 8
RouteCounty Highway 115
Coordinates48.81807, -94.78409
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.9 US tons
Inventory rating42.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span31 ft (9.6 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1998)
Projected traffic40 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Ut 115 over Bostick Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Ut 115 over Bostick Creek 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 September 2023.

How much traffic does Ut 115 over Bostick Creek carry?

About 40 vehicles per day (1998 count).

How long is Ut 115 over Bostick Creek?

The structure is 81 ft (24.8 m) long with a longest span of 31 ft (9.6 m) and a deck 31 ft wide.

Who owns Ut 115 over Bostick Creek?

It is owned by the County Highway Agency.