US Bridges

Mn 25 over Bunker Hill Creek

Fair

Morrison County, Minnesota · 4.5 MI S of Buckman · Structure no. 49X01

Built
1998
27 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
1,227
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 25 over Bunker Hill Creek is a concrete culvert carrying Mn 25 over Bunker Hill Creek in Morrison County, Minnesota. It was built in 1998, so it is 27 years old, younger 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 1,227 vehicles a day, roughly 6% of them trucks, projected to reach 1,450 by 2042. The structure is 30 ft (9 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesMn 25
CrossesBunker Hill Creek
Location4.5 MI S of Buckman
RouteState Highway 25
Coordinates45.83124, -94.09291
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,227 (2022)
Projected traffic1,450 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mn 25 over Bunker Hill Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Mn 25 over Bunker Hill 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 October 2023.

How much traffic does Mn 25 over Bunker Hill Creek carry?

About 1,227 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Mn 25 over Bunker Hill Creek?

The structure is 30 ft (9 m) long with a longest span of 11 ft (3.5 m).

Who owns Mn 25 over Bunker Hill Creek?

It is owned by the State Highway Agency.