US Bridges

T 76 over Split Rock Creek

Good

Rock County, Minnesota · 1.3 MI W of JCT TH 23 · Structure no. 67572

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
11
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 76 over Split Rock Creek is a concrete continuous slab carrying T 76 over Split Rock Creek in Rock County, Minnesota. It was built in 2017, so it is 8 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 11 vehicles a day, projected to reach 49 by 2042. The structure is 92 ft (27.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 76
CrossesSplit Rock Creek
Location1.3 MI W of JCT TH 23
RouteCounty Highway 76
Coordinates43.80567, -96.42812
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 protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length92 ft (27.9 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic49 by 2042
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 76 over Split Rock Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is T 76 over Split Rock 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 May 2023.

How much traffic does T 76 over Split Rock Creek carry?

About 11 vehicles per day (2022 count).

How long is T 76 over Split Rock Creek?

The structure is 92 ft (27.9 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns T 76 over Split Rock Creek?

It is owned by the Town or Township Highway Agency.