US Bridges

T 23 over Blood Run

Good

Rock County, Minnesota · 0.4 MI W of JCT Csah 17 · Structure no. 97008

Built
1990
35 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
65
1989 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 23 over Blood Run is a concrete culvert carrying T 23 over Blood Run in Rock County, Minnesota. It was built in 1990, so it is 35 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 65 vehicles a day, projected to reach 65 by 2029. The structure is 46 ft (14 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 23
CrossesBlood Run
Location0.4 MI W of JCT Csah 17
RouteCounty Highway 23
Coordinates43.51484, -96.43951
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (1989)
Projected traffic65 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 23 over Blood Run built?

It was built in 1990, making it 35 years old in 2025.

What condition is T 23 over Blood Run 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 2022.

How much traffic does T 23 over Blood Run carry?

About 65 vehicles per day (1989 count).

How long is T 23 over Blood Run?

The structure is 46 ft (14 m) long with a longest span of 12 ft (3.7 m).

Who owns T 23 over Blood Run?

It is owned by the Town or Township Highway Agency.