US Bridges

T 80 over Straight River (jd # 2)

Good

Steele County, Minnesota · 0.1 MI W of JCT Csah 3 · Structure no. 74530

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
25
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 80 over Straight River (jd # 2) is a steel continuous stringer/multi-beam or girder carrying T 80 over Straight River (jd # 2) in Steele 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 25 by 2029. The structure is 170 ft (51.9 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT 80
CrossesStraight River (jd # 2)
Location0.1 MI W of JCT Csah 3
RouteCounty Highway 80
Coordinates43.93524, -93.24737
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating37.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length170 ft (51.9 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1986)
Projected traffic25 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 80 over Straight River (jd # 2) built?

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

What condition is T 80 over Straight River (jd # 2) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does T 80 over Straight River (jd # 2) carry?

About 25 vehicles per day (1986 count).

How long is T 80 over Straight River (jd # 2)?

The structure is 170 ft (51.9 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns T 80 over Straight River (jd # 2)?

It is owned by the Town or Township Highway Agency.