US Bridges

US 34 FAP 587 over Little Vermilion

Good

LaSalle County, Illinois · 2.2 MI E of Il 251 · Structure no. 050025700000000

Built
2018
7 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
5,250
2023 count
Owner
State
State Highway Agency

About this bridge

US 34 FAP 587 over Little Vermilion is a steel stringer/multi-beam or girder carrying US 34 FAP 587 over Little Vermilion in LaSalle County, Illinois. It was built in 2018, so it is 7 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 5,250 vehicles a day, roughly 9% of them trucks, projected to reach 4,899 by 2046. The structure is 81 ft (24.6 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 34 FAP 587
CrossesLittle Vermilion
Location2.2 MI E of Il 251
RouteU.S. Route 34
Coordinates41.55482, -89.09364
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length81 ft (24.6 m)
Longest span77 ft (23.6 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,250 (2023)
Projected traffic4,899 by 2046
Trucks9%
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

OwnerState Highway Agency
Maintained byState 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 US 34 FAP 587 over Little Vermilion built?

It was built in 2018, making it 7 years old in 2025.

What condition is US 34 FAP 587 over Little Vermilion 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 January 2023.

How much traffic does US 34 FAP 587 over Little Vermilion carry?

About 5,250 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 34 FAP 587 over Little Vermilion?

The structure is 81 ft (24.6 m) long with a longest span of 77 ft (23.6 m) and a deck 49 ft wide.

Who owns US 34 FAP 587 over Little Vermilion?

It is owned by the State Highway Agency.