US Bridges

Csah 29 over Elm Creek

Fair

Jackson County, Minnesota · 0.1 MI S of JCT Csah 28 · Structure no. 32553

Built
1998
27 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
80 ft
3 main spans
Daily traffic
430
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 29 over Elm Creek is a prestressed concrete tee beam carrying Csah 29 over Elm Creek in Jackson 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 5 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 430 vehicles a day, projected to reach 430 by 2039. The structure is 80 ft (24.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 29
CrossesElm Creek
Location0.1 MI S of JCT Csah 28
RouteCounty Highway 29
Coordinates43.77467, -94.87437
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span35 ft (10.6 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2016)
Projected traffic430 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 Csah 29 over Elm Creek built?

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

What condition is Csah 29 over Elm 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 September 2023.

How much traffic does Csah 29 over Elm Creek carry?

About 430 vehicles per day (2016 count).

How long is Csah 29 over Elm Creek?

The structure is 80 ft (24.4 m) long with a longest span of 35 ft (10.6 m) and a deck 40 ft wide.

Who owns Csah 29 over Elm Creek?

It is owned by the County Highway Agency.