US Bridges

T 108 over Stream

Fair

Sibley County, Minnesota · 0.3 MI S of JCT CR 62 · Structure no. 72530

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
54 ft
3 main spans
Daily traffic
20
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 108 over Stream is a wood or timber slab carrying T 108 over Stream in Sibley County, Minnesota. It was built in 1986, so it is 39 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 20 vehicles a day, projected to reach 20 by 2029. The structure is 54 ft (16.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesT 108
CrossesStream
Location0.3 MI S of JCT CR 62
RouteCounty Highway 108
CountySibley County
StateMinnesota
Coordinates44.52498, -94.0297
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.9 US tons
Inventory rating36.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span18 ft (5.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1986)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 108 over Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is T 108 over Stream 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 2023.

How much traffic does T 108 over Stream carry?

About 20 vehicles per day (1986 count).

How long is T 108 over Stream?

The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns T 108 over Stream?

It is owned by the Town or Township Highway Agency.