US Bridges

Thornhill Dr(ms 11 over Trib Lake Vermilion

Fair

Vermilion County, Illinois · Danville-Thornhill · Structure no. 092603200000000

Built
2002
23 years old
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
34 ft
1 main span
Daily traffic
275
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thornhill Dr(ms 11 over Trib Lake Vermilion is a concrete frame carrying Thornhill Dr(ms 11 over Trib Lake Vermilion in Vermilion County, Illinois. It was built in 2002, so it is 23 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 275 vehicles a day, roughly 10% of them trucks, projected to reach 303 by 2046. The structure is 34 ft (10.4 m) long.

Location

Open in Google Maps
CarriesThornhill Dr(ms 11
CrossesTrib Lake Vermilion
LocationDanville-Thornhill
RouteCity Street 0
CountyVermilion County
StateIllinois
Coordinates40.18198, -87.6314
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic303 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Thornhill Dr(ms 11 over Trib Lake Vermilion built?

It was built in 2002, making it 23 years old in 2025.

What condition is Thornhill Dr(ms 11 over Trib Lake Vermilion in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Thornhill Dr(ms 11 over Trib Lake Vermilion carry?

About 275 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Thornhill Dr(ms 11 over Trib Lake Vermilion?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m).

Who owns Thornhill Dr(ms 11 over Trib Lake Vermilion?

It is owned by the City or Municipal Highway Agency.