US Bridges

CR 137 over Marsh River

Good

Norman County, Minnesota · 0.3 MI E of JCT CR 114 · Structure no. 54524

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
10
2008 count
Owner
County
County Highway Agency

About this bridge

CR 137 over Marsh River is a prestressed concrete tee beam carrying CR 137 over Marsh River in Norman County, Minnesota. It was built in 1978, so it is 47 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 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 10 vehicles a day, projected to reach 10 by 2039. The structure is 110 ft (33.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 137
CrossesMarsh River
Location0.3 MI E of JCT CR 114
RouteCounty Highway 137
Coordinates47.38998, -96.73347
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating61.3 US tons
Inventory rating36.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span53 ft (16.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2008)
Projected traffic10 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 137 over Marsh River built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR 137 over Marsh 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 October 2024.

How much traffic does CR 137 over Marsh River carry?

About 10 vehicles per day (2008 count).

How long is CR 137 over Marsh River?

The structure is 110 ft (33.5 m) long with a longest span of 53 ft (16.3 m) and a deck 33 ft wide.

Who owns CR 137 over Marsh River?

It is owned by the County Highway Agency.