US Bridges

Mn 1 over W Branch Baptism River

Good

Lake County, Minnesota · In Finland · Structure no. 38002

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
904
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 1 over W Branch Baptism River is a steel stringer/multi-beam or girder carrying Mn 1 over W Branch Baptism River in Lake County, Minnesota. It was built in 1986, so it is 39 years old, older 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 904 vehicles a day, roughly 9% of them trucks, projected to reach 990 by 2042. The structure is 71 ft (21.5 m) long and 42 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesMn 1
CrossesW Branch Baptism River
LocationIn Finland
RouteState Highway 1
Coordinates47.41469, -91.24617
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating99.4 US tons
Inventory rating59.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.5 m)
Longest span66 ft (20.1 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic904 (2022)
Projected traffic990 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 1 over W Branch Baptism River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Mn 1 over W Branch Baptism River 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 June 2023.

How much traffic does Mn 1 over W Branch Baptism River carry?

About 904 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Mn 1 over W Branch Baptism River?

The structure is 71 ft (21.5 m) long with a longest span of 66 ft (20.1 m) and a deck 42 ft wide.

Who owns Mn 1 over W Branch Baptism River?

It is owned by the State Highway Agency.