US Bridges

T 50 over Woodbury Creek

Fair

Mower County, Minnesota · 1.5 MI W of JCT TH 105 · Structure no. 50549

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
131 ft
3 main spans
Daily traffic
90
1986 count
Owner
County
County Highway Agency

About this bridge

T 50 over Woodbury Creek is a prestressed concrete tee beam carrying T 50 over Woodbury Creek in Mower County, Minnesota. It was built in 1978, so it is 47 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 90 vehicles a day, projected to reach 90 by 2029. The structure is 131 ft (40 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 50
CrossesWoodbury Creek
Location1.5 MI W of JCT TH 105
RouteCounty Highway 50
Coordinates43.5287, -93.04201
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.8 US tons
Inventory rating41.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length131 ft (40 m)
Longest span43 ft (13.2 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (1986)
Projected traffic90 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 50 over Woodbury Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is T 50 over Woodbury Creek 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 June 2023.

How much traffic does T 50 over Woodbury Creek carry?

About 90 vehicles per day (1986 count).

How long is T 50 over Woodbury Creek?

The structure is 131 ft (40 m) long with a longest span of 43 ft (13.2 m) and a deck 32 ft wide.

Who owns T 50 over Woodbury Creek?

It is owned by the County Highway Agency.