US Bridges

Csah 29 over Cedar River

FairPosted for load

Mower County, Minnesota · 0.3 MI S of Oakland Ave · Structure no. 5368

Built
1933
92 years old, rebuilt 2014
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
178 ft
2 main spans
Daily traffic
2,750
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 29 over Cedar River is a concrete arch - deck carrying Csah 29 over Cedar River in Mower County, Minnesota. It was built in 1933 and reconstructed in 2014, so it is 92 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 2,750 vehicles a day, projected to reach 2,750 by 2039. The structure is 178 ft (54.3 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCsah 29
CrossesCedar River
Location0.3 MI S of Oakland Ave
RouteCounty Highway 29
CountyMower County
StateMinnesota
Coordinates43.66167, -92.96973
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating32.4 US tons
Inventory rating21.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length178 ft (54.3 m)
Longest span84 ft (25.6 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2016)
Projected traffic2,750 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$924 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 29 over Cedar River built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2014.

What condition is Csah 29 over Cedar River 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 June 2024.

How much traffic does Csah 29 over Cedar River carry?

About 2,750 vehicles per day (2016 count).

How long is Csah 29 over Cedar River?

The structure is 178 ft (54.3 m) long with a longest span of 84 ft (25.6 m) and a deck 40 ft wide.

Who owns Csah 29 over Cedar River?

It is owned by the County Highway Agency.