US Bridges

T 318 over Dry Run

Good

Olmsted County, Minnesota · 0.3 MI N JCT Csah 14ON · Structure no. 97462

Built
1992
33 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
120
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 318 over Dry Run is a concrete culvert carrying T 318 over Dry Run in Olmsted County, Minnesota. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, projected to reach 120 by 2029. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT 318
CrossesDry Run
Location0.3 MI N JCT Csah 14ON
RouteCounty Highway 318
Coordinates44.11152, -92.47855
Functional classRural Local

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.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length26 ft (8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (1992)
Projected traffic120 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 318 over Dry Run built?

It was built in 1992, making it 33 years old in 2025.

What condition is T 318 over Dry Run 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 December 2024.

How much traffic does T 318 over Dry Run carry?

About 120 vehicles per day (1992 count).

How long is T 318 over Dry Run?

The structure is 26 ft (8 m) long with a longest span of 10 ft (3 m).

Who owns T 318 over Dry Run?

It is owned by the Town or Township Highway Agency.