US Bridges

US 14 over Coal Mine Creek

Good

Brown County, Minnesota · 3.8 MI W of Springfield · Structure no. 2674

Built
1931
94 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,400
2019 count
Owner
State
State Highway Agency

About this bridge

US 14 over Coal Mine Creek is a concrete culvert carrying US 14 over Coal Mine Creek in Brown County, Minnesota. It was built in 1931, so it is 94 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 2,400 vehicles a day, roughly 14% of them trucks, projected to reach 2,800 by 2039. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesUS 14
CrossesCoal Mine Creek
Location3.8 MI W of Springfield
RouteU.S. Route 14
Coordinates44.23874, -95.04834
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
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 rating82.2 US tons
Inventory rating49.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2019)
Projected traffic2,800 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes

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$81 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 14 over Coal Mine Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is US 14 over Coal Mine 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 June 2024.

How much traffic does US 14 over Coal Mine Creek carry?

About 2,400 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US 14 over Coal Mine Creek?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns US 14 over Coal Mine Creek?

It is owned by the State Highway Agency.