US Bridges

CR 104 over Morgan Creek

Fair

Blue Earth County, Minnesota · 0.3 MI S of JCT CR 102 · Structure no. 07523

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
81 ft
3 main spans
Daily traffic
45
2021 count
Owner
County
County Highway Agency

About this bridge

CR 104 over Morgan Creek is a prestressed concrete channel beam carrying CR 104 over Morgan Creek in Blue Earth County, Minnesota. It was built in 1970, so it is 55 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 45 vehicles a day, projected to reach 45 by 2041. The structure is 81 ft (24.7 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 104
CrossesMorgan Creek
Location0.3 MI S of JCT CR 102
RouteCounty Highway 104
CountyBlue Earth County
StateMinnesota
Coordinates44.20608, -94.3717
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.3 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length81 ft (24.7 m)
Longest span31 ft (9.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2021)
Projected traffic45 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 104 over Morgan Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is CR 104 over Morgan Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does CR 104 over Morgan Creek carry?

About 45 vehicles per day (2021 count).

How long is CR 104 over Morgan Creek?

The structure is 81 ft (24.7 m) long with a longest span of 31 ft (9.5 m) and a deck 35 ft wide.

Who owns CR 104 over Morgan Creek?

It is owned by the County Highway Agency.