US Bridges

T 79 over S Br Rush R (jd 20)

Fair

Sibley County, Minnesota · 0.4 MI N of S County Lin · Structure no. 72531

Built
1992
33 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
84 ft
3 main spans
Daily traffic
16
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 79 over S Br Rush R (jd 20) is a wood or timber slab carrying T 79 over S Br Rush R (jd 20) in Sibley County, Minnesota. It was built in 1992, so it is 33 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 16 vehicles a day, projected to reach 16 by 2029. The structure is 84 ft (25.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesT 79
CrossesS Br Rush R (jd 20)
Location0.4 MI N of S County Lin
RouteCounty Highway 79
CountySibley County
StateMinnesota
Coordinates44.46258, -94.17487
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.9 US tons
Inventory rating46.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 25 or greater
Structure length84 ft (25.6 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (1986)
Projected traffic16 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 79 over S Br Rush R (jd 20) built?

It was built in 1992, making it 33 years old in 2025.

What condition is T 79 over S Br Rush R (jd 20) 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 79 over S Br Rush R (jd 20) carry?

About 16 vehicles per day (1986 count).

How long is T 79 over S Br Rush R (jd 20)?

The structure is 84 ft (25.6 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns T 79 over S Br Rush R (jd 20)?

It is owned by the Town or Township Highway Agency.