US Bridges

CR 129 over Heikkila Creek

Fair

Carlton County, Minnesota · 0.9 MI E of JCT TH 73 · Structure no. 09J08

Built
1998
27 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

CR 129 over Heikkila Creek is a steel culvert carrying CR 129 over Heikkila Creek in Carlton County, Minnesota. It was built in 1998, so it is 27 years old, younger 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 20 vehicles a day, projected to reach 185 by 2042. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 129
CrossesHeikkila Creek
Location0.9 MI E of JCT TH 73
RouteCounty Highway 129
CountyCarlton County
StateMinnesota
Coordinates46.57841, -92.88847
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic185 by 2042
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$215 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 129 over Heikkila Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is CR 129 over Heikkila 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 November 2023.

How much traffic does CR 129 over Heikkila Creek carry?

About 20 vehicles per day (2022 count).

How long is CR 129 over Heikkila Creek?

The structure is 20 ft (6.2 m) long with a longest span of 9 ft (2.6 m).

Who owns CR 129 over Heikkila Creek?

It is owned by the County Highway Agency.