US Bridges

M 303 over Barber Creek

Good

St. Louis County, Minnesota · 0.4 MI S of JCT Csah 16 · Structure no. 96155

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
230
1988 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 303 over Barber Creek is a concrete culvert carrying M 303 over Barber 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 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 230 vehicles a day, projected to reach 230 by 2029. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesM 303
CrossesBarber Creek
Location0.4 MI S of JCT Csah 16
RouteCity Street 303
Coordinates47.36649, -92.85229
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 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 length22 ft (6.6 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (1988)
Projected traffic230 by 2029
Trucks—
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

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 303 over Barber Creek built?

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

What condition is M 303 over Barber 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 October 2023.

How much traffic does M 303 over Barber Creek carry?

About 230 vehicles per day (1988 count).

How long is M 303 over Barber Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.1 m).

Who owns M 303 over Barber Creek?

It is owned by the City or Municipal Highway Agency.