US Bridges

TR 18 a over Middle Fork Sugar CR

Good

McLean County, Illinois · 2 Mile Ssw Stanford · Structure no. 057301500000000

Built
1965
60 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
107 ft
4 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 18 a over Middle Fork Sugar CR is a concrete continuous slab carrying TR 18 a over Middle Fork Sugar CR in McLean County, Illinois. It was built in 1965, so it is 60 years old, older 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 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 107 ft (32.6 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 18 a
CrossesMiddle Fork Sugar CR
Location2 Mile Ssw Stanford
RouteCounty Highway 0
Coordinates40.40159, -89.23659
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length107 ft (32.6 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks4%
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 TR 18 a over Middle Fork Sugar CR built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR 18 a over Middle Fork Sugar CR 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 September 2023.

How much traffic does TR 18 a over Middle Fork Sugar CR carry?

About 50 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is TR 18 a over Middle Fork Sugar CR?

The structure is 107 ft (32.6 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns TR 18 a over Middle Fork Sugar CR?

It is owned by the Town or Township Highway Agency.