US Bridges

T 384 over S Br Root River

Good

Fillmore County, Minnesota · 1.6 MI N of JCT Csah 14 · Structure no. 23564

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
92
1999 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 384 over S Br Root River is a prestressed concrete stringer/multi-beam or girder carrying T 384 over S Br Root River in Fillmore County, Minnesota. It was built in 2000, so it is 25 years old, younger 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 92 vehicles a day, projected to reach 92 by 2029. The structure is 99 ft (30.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT 384
CrossesS Br Root River
Location1.6 MI N of JCT Csah 14
RouteCounty Highway 384
Coordinates43.62413, -92.30841
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.4 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length99 ft (30.3 m)
Longest span95 ft (28.9 m)
Deck width34 ft (10.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (1999)
Projected traffic92 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 384 over S Br Root River built?

It was built in 2000, making it 25 years old in 2025.

What condition is T 384 over S Br Root River 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 March 2023.

How much traffic does T 384 over S Br Root River carry?

About 92 vehicles per day (1999 count).

How long is T 384 over S Br Root River?

The structure is 99 ft (30.3 m) long with a longest span of 95 ft (28.9 m) and a deck 34 ft wide.

Who owns T 384 over S Br Root River?

It is owned by the Town or Township Highway Agency.