US Bridges

T 99 over S Br Root River

Good

Fillmore County, Minnesota · 0.7 MI S of JCT Csah 12 · Structure no. 23579

Built
2009
16 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
143 ft
3 main spans
Daily traffic
49
2008 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 99 over S Br Root River is a concrete continuous slab carrying T 99 over S Br Root River in Fillmore County, Minnesota. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49 vehicles a day, projected to reach 49 by 2028. The structure is 143 ft (43.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 99
CrossesS Br Root River
Location0.7 MI S of JCT Csah 12
RouteCounty Highway 99
Coordinates43.62188, -92.23611
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length143 ft (43.6 m)
Longest span56 ft (17.1 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2008)
Projected traffic49 by 2028
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 99 over S Br Root River built?

It was built in 2009, making it 16 years old in 2025.

What condition is T 99 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 April 2024.

How much traffic does T 99 over S Br Root River carry?

About 49 vehicles per day (2008 count).

How long is T 99 over S Br Root River?

The structure is 143 ft (43.6 m) long with a longest span of 56 ft (17.1 m) and a deck 29 ft wide.

Who owns T 99 over S Br Root River?

It is owned by the Town or Township Highway Agency.