US Bridges

T 685 over Miller Creek

Good

Wabasha County, Minnesota · 0.6 MI S of JCT TH 63 · Structure no. 79J09

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
51 ft
3 main spans
Daily traffic
85
1995 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 685 over Miller Creek is a concrete culvert carrying T 685 over Miller Creek in Wabasha County, Minnesota. It was built in 1996, so it is 29 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 85 vehicles a day, projected to reach 85 by 2029. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT 685
CrossesMiller Creek
Location0.6 MI S of JCT TH 63
RouteCounty Highway 685
Coordinates44.43077, -92.282
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum 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 spans3
Design loadHS 25 or greater
Structure length51 ft (15.5 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (1995)
Projected traffic85 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township 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 T 685 over Miller Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is T 685 over Miller 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 October 2023.

How much traffic does T 685 over Miller Creek carry?

About 85 vehicles per day (1995 count).

How long is T 685 over Miller Creek?

The structure is 51 ft (15.5 m) long with a longest span of 14 ft (4.2 m).

Who owns T 685 over Miller Creek?

It is owned by the Town or Township Highway Agency and maintained by the County Highway Agency.