US Bridges

T 100 over Sand Creek

Fair

Scott County, Minnesota · 0.3 MI W of JCT TH 169 · Structure no. 70514

Built
1990
35 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
388
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 100 over Sand Creek is a prestressed concrete tee beam carrying T 100 over Sand Creek in Scott County, Minnesota. It was built in 1990, so it is 35 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 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 388 vehicles a day, projected to reach 440 by 2042. The structure is 122 ft (37.3 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 100
CrossesSand Creek
Location0.3 MI W of JCT TH 169
RouteCounty Highway 100
Coordinates44.70007, -93.60294
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.3 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span41 ft (12.6 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic388 (2022)
Projected traffic440 by 2042
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 100 over Sand Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is T 100 over Sand 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 May 2024.

How much traffic does T 100 over Sand Creek carry?

About 388 vehicles per day (2022 count).

How long is T 100 over Sand Creek?

The structure is 122 ft (37.3 m) long with a longest span of 41 ft (12.6 m) and a deck 40 ft wide.

Who owns T 100 over Sand Creek?

It is owned by the Town or Township Highway Agency.