US Bridges

CR 142 over Elm Creek

Good

Martin County, Minnesota · 1.0 MI E of JCT Csah 39 · Structure no. 46533

Built
1981
44 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
130 ft
3 main spans
Daily traffic
115
2014 count
Owner
County
County Highway Agency

About this bridge

CR 142 over Elm Creek is a prestressed concrete tee beam carrying CR 142 over Elm Creek in Martin County, Minnesota. It was built in 1981, so it is 44 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 115 vehicles a day, projected to reach 115 by 2039. The structure is 130 ft (39.6 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 142
CrossesElm Creek
Location1.0 MI E of JCT Csah 39
RouteCounty Highway 142
Coordinates43.76024, -94.47052
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating29.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span43 ft (13.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2014)
Projected traffic115 by 2039
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 142 over Elm Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is CR 142 over Elm 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 September 2023.

How much traffic does CR 142 over Elm Creek carry?

About 115 vehicles per day (2014 count).

How long is CR 142 over Elm Creek?

The structure is 130 ft (39.6 m) long with a longest span of 43 ft (13.2 m) and a deck 35 ft wide.

Who owns CR 142 over Elm Creek?

It is owned by the County Highway Agency.