US Bridges

T 115 over Salem Creek

Fair

Olmsted County, Minnesota · 1.6 MI N JCT Csah 17 on · Structure no. 55581

Built
2006
19 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
50
2005 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 115 over Salem Creek is a prestressed concrete stringer/multi-beam or girder carrying T 115 over Salem Creek in Olmsted County, Minnesota. It was built in 2006, so it is 19 years old, younger 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 5 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 50 vehicles a day, projected to reach 50 by 2025. The structure is 108 ft (33 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 115
CrossesSalem Creek
Location1.6 MI N JCT Csah 17 on
RouteCounty Highway 115
Coordinates43.97007, -92.66033
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.1 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length108 ft (33 m)
Longest span98 ft (30 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2005)
Projected traffic50 by 2025
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 115 over Salem Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is T 115 over Salem 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 November 2024.

How much traffic does T 115 over Salem Creek carry?

About 50 vehicles per day (2005 count).

How long is T 115 over Salem Creek?

The structure is 108 ft (33 m) long with a longest span of 98 ft (30 m) and a deck 35 ft wide.

Who owns T 115 over Salem Creek?

It is owned by the Town or Township Highway Agency.