US Bridges

CO RD 19 over Little Vermilion

Fair

LaSalle County, Illinois · N 3973 E 650 · Structure no. 050303000000000

Built
1956
69 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
68 ft
2 main spans
Daily traffic
600
2020 count
Owner
County
County Highway Agency

About this bridge

CO RD 19 over Little Vermilion is a steel continuous stringer/multi-beam or girder carrying CO RD 19 over Little Vermilion in LaSalle County, Illinois. It was built in 1956, so it is 69 years old, older 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 5 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 600 vehicles a day, roughly 20% of them trucks, projected to reach 606 by 2046. The structure is 68 ft (20.7 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCO RD 19
CrossesLittle Vermilion
LocationN 3973 E 650
RouteCounty Highway 0
Coordinates41.50243, -89.04259
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length68 ft (20.7 m)
Longest span33 ft (10.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2020)
Projected traffic606 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CO RD 19 over Little Vermilion built?

It was built in 1956, making it 69 years old in 2025.

What condition is CO RD 19 over Little 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 May 2023.

How much traffic does CO RD 19 over Little Vermilion carry?

About 600 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is CO RD 19 over Little Vermilion?

The structure is 68 ft (20.7 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns CO RD 19 over Little Vermilion?

It is owned by the County Highway Agency.