US Bridges

Mn 9 over Deerhorn Creek

Good

Wilkin County, Minnesota · 5.8 MI S of Barnesville · Structure no. 84007

Built
2017
8 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
811
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 9 over Deerhorn Creek is a concrete continuous slab carrying Mn 9 over Deerhorn Creek in Wilkin County, Minnesota. It was built in 2017, so it is 8 years old, younger than the Minnesota average of 38.5 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 811 vehicles a day, roughly 10% of them trucks, projected to reach 680 by 2042. The structure is 73 ft (22.4 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMn 9
CrossesDeerhorn Creek
Location5.8 MI S of Barnesville
RouteState Highway 9
Coordinates46.58153, -96.46284
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length73 ft (22.4 m)
Longest span28 ft (8.4 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic811 (2022)
Projected traffic680 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 9 over Deerhorn Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Mn 9 over Deerhorn 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 August 2024.

How much traffic does Mn 9 over Deerhorn Creek carry?

About 811 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Mn 9 over Deerhorn Creek?

The structure is 73 ft (22.4 m) long with a longest span of 28 ft (8.4 m) and a deck 39 ft wide.

Who owns Mn 9 over Deerhorn Creek?

It is owned by the State Highway Agency.