US Bridges

CR 129 over Trelipe Creek

Good

Cass County, Minnesota · 0.4 MI N of JCT Csah 7 · Structure no. 11531

Built
2018
7 years old
Condition
Good
inspected August 2023
Type
Slab
Wood or Timber
Length
64 ft
3 main spans
Daily traffic
145
2015 count
Owner
County
County Highway Agency

About this bridge

CR 129 over Trelipe Creek is a wood or timber slab carrying CR 129 over Trelipe Creek in Cass County, Minnesota. It was built in 2018, so it is 7 years old, younger 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 145 vehicles a day, projected to reach 183 by 2035. The structure is 64 ft (19.5 m) long and 32 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesCR 129
CrossesTrelipe Creek
Location0.4 MI N of JCT Csah 7
RouteCounty Highway 129
Coordinates46.98289, -94.11491
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2015)
Projected traffic183 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 129 over Trelipe Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is CR 129 over Trelipe 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 August 2023.

How much traffic does CR 129 over Trelipe Creek carry?

About 145 vehicles per day (2015 count).

How long is CR 129 over Trelipe Creek?

The structure is 64 ft (19.5 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns CR 129 over Trelipe Creek?

It is owned by the County Highway Agency.