US Bridges

T 89 over Mid Br Rush R (cd 54)

FairPosted for load

Sibley County, Minnesota · 0.6 MI E of JCT Csah 8 · Structure no. 72520

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
68 ft
3 main spans
Daily traffic
22
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 89 over Mid Br Rush R (cd 54) is a wood or timber slab carrying T 89 over Mid Br Rush R (cd 54) in Sibley 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 22 vehicles a day, projected to reach 22 by 2029. The structure is 68 ft (20.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 89
CrossesMid Br Rush R (cd 54)
Location0.6 MI E of JCT Csah 8
RouteCounty Highway 89
Coordinates44.48579, -94.11662
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating25.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (1986)
Projected traffic22 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$1,000 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 89 over Mid Br Rush R (cd 54) built?

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

What condition is T 89 over Mid Br Rush R (cd 54) 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 89 over Mid Br Rush R (cd 54) carry?

About 22 vehicles per day (1986 count).

How long is T 89 over Mid Br Rush R (cd 54)?

The structure is 68 ft (20.7 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns T 89 over Mid Br Rush R (cd 54)?

It is owned by the Town or Township Highway Agency.