US Bridges

T 99 over Anderson Creek

Fair

Polk County, Minnesota · 2.6 MI E of JCT Csah 56 · Structure no. 95971

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
18
1973 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 99 over Anderson Creek is a concrete culvert carrying T 99 over Anderson Creek in Polk County, Minnesota. It was built in 1986, so it is 39 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 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 18 vehicles a day, projected to reach 18 by 2029. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 99
CrossesAnderson Creek
Location2.6 MI E of JCT Csah 56
RouteCounty Highway 99
Coordinates47.7315, -96.76722
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (1973)
Projected traffic18 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 Anderson Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is T 99 over Anderson Creek 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 October 2024.

How much traffic does T 99 over Anderson Creek carry?

About 18 vehicles per day (1973 count).

How long is T 99 over Anderson Creek?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns T 99 over Anderson Creek?

It is owned by the Town or Township Highway Agency.