US Bridges

T 506 over Ashley Creek

Good

Todd County, Minnesota · 2.3 MI SE of JCT CR 94 · Structure no. 97468

Built
1993
32 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
67
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 506 over Ashley Creek is a concrete culvert carrying T 506 over Ashley Creek in Todd County, Minnesota. It was built in 1993, so it is 32 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 67 vehicles a day, projected to reach 67 by 2029. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesT 506
CrossesAshley Creek
Location2.3 MI SE of JCT CR 94
RouteCounty Highway 506
Coordinates45.78327, -95.02723
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
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 length31 ft (9.3 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 traffic67 (1992)
Projected traffic67 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 506 over Ashley Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is T 506 over Ashley Creek 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 September 2022.

How much traffic does T 506 over Ashley Creek carry?

About 67 vehicles per day (1992 count).

How long is T 506 over Ashley Creek?

The structure is 31 ft (9.3 m) long with a longest span of 12 ft (3.7 m).

Who owns T 506 over Ashley Creek?

It is owned by the Town or Township Highway Agency.