US Bridges

Csah 29 over Coddington Lake Outlet

Good

Itasca County, Minnesota · 0.4 MI W of JCT Csah 26 · Structure no. 31J10

Built
2004
21 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
195
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 29 over Coddington Lake Outlet is a concrete culvert carrying Csah 29 over Coddington Lake Outlet in Itasca County, Minnesota. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 195 vehicles a day, projected to reach 190 by 2042. The structure is 30 ft (9 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 29
CrossesCoddington Lake Outlet
Location0.4 MI W of JCT Csah 26
RouteCounty Highway 29
Coordinates47.7379, -94.06194
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating77.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195 (2022)
Projected traffic190 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 29 over Coddington Lake Outlet built?

It was built in 2004, making it 21 years old in 2025.

What condition is Csah 29 over Coddington Lake Outlet 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 October 2021.

How much traffic does Csah 29 over Coddington Lake Outlet carry?

About 195 vehicles per day (2022 count).

How long is Csah 29 over Coddington Lake Outlet?

The structure is 30 ft (9 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 29 over Coddington Lake Outlet?

It is owned by the County Highway Agency.