US Bridges

T 9 over Boiling Spring Creek

Good

Redwood County, Minnesota · 0.6 MI N of JCT CR 58 · Structure no. 64554

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
20
1994 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 9 over Boiling Spring Creek is a prestressed concrete tee beam carrying T 9 over Boiling Spring Creek in Redwood County, Minnesota. It was built in 1994, so it is 31 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 20 vehicles a day, projected to reach 20 by 2029. The structure is 51 ft (15.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 9
CrossesBoiling Spring Creek
Location0.6 MI N of JCT CR 58
RouteCounty Highway 9
Coordinates44.66713, -95.31974
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating64.8 US tons
Inventory rating38.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length51 ft (15.4 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1994)
Projected traffic20 by 2029
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 9 over Boiling Spring Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is T 9 over Boiling Spring Creek 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 9 over Boiling Spring Creek carry?

About 20 vehicles per day (1994 count).

How long is T 9 over Boiling Spring Creek?

The structure is 51 ft (15.4 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns T 9 over Boiling Spring Creek?

It is owned by the Town or Township Highway Agency.