US Bridges

T 510 over Little Rock Creek

Good

Nicollet County, Minnesota · 1.4 MI W of JCT 679th Ave · Structure no. 52520

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
49
2000 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 510 over Little Rock Creek is a concrete continuous slab carrying T 510 over Little Rock Creek in Nicollet County, Minnesota. It was built in 2001, so it is 24 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 49 vehicles a day, projected to reach 49 by 2029. The structure is 83 ft (25.2 m) long and 31 ft wide.

CarriesT 510
CrossesLittle Rock Creek
Location1.4 MI W of JCT 679th Ave
RouteCounty Highway 510
Coordinates44.45614, -94.66872
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 inspectionNovember 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 rating71.9 US tons
Inventory rating43.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length83 ft (25.2 m)
Longest span36 ft (11 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2000)
Projected traffic49 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 510 over Little Rock Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is T 510 over Little 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 November 2023.

How much traffic does T 510 over Little Rock Creek carry?

About 49 vehicles per day (2000 count).

How long is T 510 over Little Rock Creek?

The structure is 83 ft (25.2 m) long with a longest span of 36 ft (11 m) and a deck 31 ft wide.

Who owns T 510 over Little Rock Creek?

It is owned by the Town or Township Highway Agency.