US Bridges

Csah 54 over Dry Run

FairPosted for load

Dakota County, Minnesota · 2.9 MI SE of JCT CR 91 · Structure no. 2951

Built
1918
107 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
4,250
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 54 over Dry Run is a concrete slab carrying Csah 54 over Dry Run in Dakota County, Minnesota. It was built in 1918, so it is 107 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 4,250 vehicles a day, roughly 6% of them trucks, projected to reach 4,550 by 2038. The structure is 30 ft (9.1 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 54
CrossesDry Run
Location2.9 MI SE of JCT CR 91
RouteCounty Highway 54
CountyDakota County
StateMinnesota
Coordinates44.71713, -92.78114
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span11 ft (3.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,250 (2018)
Projected traffic4,550 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$64 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 54 over Dry Run built?

It was built in 1918, making it 107 years old in 2025.

What condition is Csah 54 over Dry Run 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 December 2023.

How much traffic does Csah 54 over Dry Run carry?

About 4,250 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Csah 54 over Dry Run?

The structure is 30 ft (9.1 m) long with a longest span of 11 ft (3.4 m) and a deck 35 ft wide.

Who owns Csah 54 over Dry Run?

It is owned by the County Highway Agency.