US Bridges

T 68 over Woodbury Creek

PoorPosted for load

Mower County, Minnesota · 0.8 MI N of JCT Csah 6 · Structure no. L8597

Built
1965
60 years old
Condition
Poor
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
50 ft
1 main span
Daily traffic
49
1986 count
Owner
County
County Highway Agency

About this bridge

T 68 over Woodbury Creek is a steel girder and floorbeam system carrying T 68 over Woodbury Creek in Mower County, Minnesota. It was built in 1965, so it is 60 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 49 vehicles a day, projected to reach 49 by 2029. The structure is 50 ft (15.2 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 68
CrossesWoodbury Creek
Location0.8 MI N of JCT Csah 6
RouteCounty Highway 68
Coordinates43.52669, -93.03937
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating16.2 US tons
Inventory rating7.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (1986)
Projected traffic49 by 2029
Trucks—
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$469 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 68 over Woodbury Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is T 68 over Woodbury Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does T 68 over Woodbury Creek carry?

About 49 vehicles per day (1986 count).

How long is T 68 over Woodbury Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 21 ft wide.

Who owns T 68 over Woodbury Creek?

It is owned by the County Highway Agency.