US Bridges

NB Relocated Il 3 over Land Bridge

Good

St. Clair County, Illinois · Under Mlk Appr Brdge · Structure no. 082038500000000

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
1,600
2024 count
Owner
State
State Highway Agency

About this bridge

NB Relocated Il 3 over Land Bridge is a steel stringer/multi-beam or girder carrying NB Relocated Il 3 over Land Bridge in St. Clair County, Illinois. It was built in 2015, so it is 10 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 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 1,600 vehicles a day, roughly 19% of them trucks, projected to reach 909 by 2046. The structure is 64 ft (19.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNB Relocated Il 3
CrossesLand Bridge
LocationUnder Mlk Appr Brdge
CountySt. Clair County
StateIllinois
Coordinates38.62952, -90.16448
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating72.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length64 ft (19.5 m)
Longest span61 ft (18.7 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic1,600 (2024)
Projected traffic909 by 2046
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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 NB Relocated Il 3 over Land Bridge built?

It was built in 2015, making it 10 years old in 2025.

What condition is NB Relocated Il 3 over Land Bridge 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 NB Relocated Il 3 over Land Bridge carry?

About 1,600 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is NB Relocated Il 3 over Land Bridge?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.7 m) and a deck 40 ft wide.

Who owns NB Relocated Il 3 over Land Bridge?

It is owned by the State Highway Agency.