US Bridges

M 348 over Dempsey Creek

Good

St. Louis County, Minnesota · 0.3 MI E of JCT Msas 208 · Structure no. 96031

Built
1988
37 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
20
1988 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 348 over Dempsey Creek is a concrete culvert carrying M 348 over Dempsey Creek in St. Louis County, Minnesota. It was built in 1988, so it is 37 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 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 20 vehicles a day, projected to reach 20 by 2029. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM 348
CrossesDempsey Creek
Location0.3 MI E of JCT Msas 208
RouteCity Street 348
Coordinates47.40124, -92.82142
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span8 ft (2.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1988)
Projected traffic20 by 2029
Trucks—
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 M 348 over Dempsey Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is M 348 over Dempsey 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 2023.

How much traffic does M 348 over Dempsey Creek carry?

About 20 vehicles per day (1988 count).

How long is M 348 over Dempsey Creek?

The structure is 21 ft (6.3 m) long with a longest span of 8 ft (2.3 m).

Who owns M 348 over Dempsey Creek?

It is owned by the City or Municipal Highway Agency.