US Bridges

T 99 over Chippewa River

Good

Swift County, Minnesota · 0.1 MI W of JCT Csah 19 · Structure no. 76534

Built
2005
20 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
141 ft
3 main spans
Daily traffic
53
2004 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 99 over Chippewa River is a concrete continuous slab carrying T 99 over Chippewa River in Swift County, Minnesota. It was built in 2005, so it is 20 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 53 vehicles a day, projected to reach 53 by 2029. The structure is 141 ft (43.1 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 99
CrossesChippewa River
Location0.1 MI W of JCT Csah 19
RouteCounty Highway 99
Coordinates45.20844, -95.66691
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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.6 US tons
Inventory rating64.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length141 ft (43.1 m)
Longest span55 ft (16.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2004)
Projected traffic53 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Chippewa River built?

It was built in 2005, making it 20 years old in 2025.

What condition is T 99 over Chippewa 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 October 2024.

How much traffic does T 99 over Chippewa River carry?

About 53 vehicles per day (2004 count).

How long is T 99 over Chippewa River?

The structure is 141 ft (43.1 m) long with a longest span of 55 ft (16.8 m) and a deck 35 ft wide.

Who owns T 99 over Chippewa River?

It is owned by the Town or Township Highway Agency.