US Bridges

CR 123 over E Fk Des Moines River

PoorPosted for load

Martin County, Minnesota · 2.0 MI N of JCT Csah 8 · Structure no. 46509

Built
1966
59 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
50
2005 count
Owner
County
County Highway Agency

About this bridge

CR 123 over E Fk Des Moines River is a prestressed concrete channel beam carrying CR 123 over E Fk Des Moines River in Martin County, Minnesota. It was built in 1966, so it is 59 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2029. The structure is 93 ft (28.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 123
CrossesE Fk Des Moines River
Location2.0 MI N of JCT Csah 8
RouteCounty Highway 123
Coordinates43.56504, -94.65455
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating19.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length93 ft (28.4 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2005)
Projected traffic50 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

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 123 over E Fk Des Moines River built?

It was built in 1966, making it 59 years old in 2025.

What condition is CR 123 over E Fk Des Moines River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does CR 123 over E Fk Des Moines River carry?

About 50 vehicles per day (2005 count).

How long is CR 123 over E Fk Des Moines River?

The structure is 93 ft (28.4 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns CR 123 over E Fk Des Moines River?

It is owned by the County Highway Agency.