US Bridges

TR 66 (mckinley RD over Branch of Mud Creek

Good

Washington County, Illinois · 3 Mi. SW Oakdale · Structure no. 095326600000000

Built
2019
6 years old
Condition
Good
inspected November 2021
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 66 (mckinley RD over Branch of Mud Creek is a concrete frame carrying TR 66 (mckinley RD over Branch of Mud Creek in Washington County, Illinois. It was built in 2019, so it is 6 years old, younger than the Illinois average of 45.3 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 50 vehicles a day, roughly 18% of them trucks, projected to reach 61 by 2046. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 66 (mckinley RD
CrossesBranch of Mud Creek
Location3 Mi. SW Oakdale
RouteCounty Highway 0
CountyWashington County
StateIllinois
Coordinates38.24248, -89.55291
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
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating53.2 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic61 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 TR 66 (mckinley RD over Branch of Mud Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is TR 66 (mckinley RD over Branch of Mud 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 2021.

How much traffic does TR 66 (mckinley RD over Branch of Mud Creek carry?

About 50 vehicles per day (2019 count), of which roughly 18% are trucks.

How long is TR 66 (mckinley RD over Branch of Mud Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m).

Who owns TR 66 (mckinley RD over Branch of Mud Creek?

It is owned by the Town or Township Highway Agency.