US Bridges

CR 102 over Morgan Creek

FairPosted for load

Blue Earth County, Minnesota · 0.2 MI E of JCT CR 104 · Structure no. 07510

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
50 ft
2 main spans
Daily traffic
42
2021 count
Owner
County
County Highway Agency

About this bridge

CR 102 over Morgan Creek is a prestressed concrete channel beam carrying CR 102 over Morgan Creek in Blue Earth County, Minnesota. It was built in 1964, so it is 61 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 42 vehicles a day, projected to reach 35 by 2041. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 102
CrossesMorgan Creek
Location0.2 MI E of JCT CR 104
RouteCounty Highway 102
Coordinates44.21044, -94.36729
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.2 US tons
Inventory rating13 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2021)
Projected traffic35 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 102 over Morgan Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is CR 102 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 2024.

How much traffic does CR 102 over Morgan Creek carry?

About 42 vehicles per day (2021 count).

How long is CR 102 over Morgan Creek?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns CR 102 over Morgan Creek?

It is owned by the County Highway Agency.