US Bridges

Ch 29 /E.15th RD over Vermilion River

Fair

LaSalle County, Illinois · E 15th N 1610 · Structure no. 050305300000000

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
296 ft
4 main spans
Daily traffic
625
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 29 /E.15th RD over Vermilion River is a steel continuous stringer/multi-beam or girder carrying Ch 29 /E.15th RD over Vermilion River in LaSalle County, Illinois. It was built in 1968, so it is 57 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 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 625 vehicles a day, roughly 13% of them trucks, projected to reach 631 by 2046. The structure is 296 ft (90.2 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCh 29 /E.15th RD
CrossesVermilion River
LocationE 15th N 1610
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.16662, -88.87735
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length296 ft (90.2 m)
Longest span81 ft (24.8 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2020)
Projected traffic631 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Ch 29 /E.15th RD over Vermilion River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ch 29 /E.15th RD over Vermilion River 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 Ch 29 /E.15th RD over Vermilion River carry?

About 625 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Ch 29 /E.15th RD over Vermilion River?

The structure is 296 ft (90.2 m) long with a longest span of 81 ft (24.8 m) and a deck 30 ft wide.

Who owns Ch 29 /E.15th RD over Vermilion River?

It is owned by the County Highway Agency.