US Bridges

Old Il 3 over Miller Creek

Good

Alexander County, Illinois · 1 MI N of Thebes · Structure no. 002003700000000

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
141 ft
2 main spans
Daily traffic
100
2022 count
Owner
State
State Highway Agency

About this bridge

Old Il 3 over Miller Creek is a steel continuous stringer/multi-beam or girder carrying Old Il 3 over Miller Creek in Alexander County, Illinois. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 11% of them trucks, projected to reach 177 by 2046. The structure is 141 ft (42.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Il 3
CrossesMiller Creek
Location1 MI N of Thebes
RouteCounty Highway 0
Coordinates37.24057, -89.44366
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length141 ft (42.9 m)
Longest span79 ft (24.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic177 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 Old Il 3 over Miller Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Old Il 3 over Miller Creek 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 August 2024.

How much traffic does Old Il 3 over Miller Creek carry?

About 100 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Old Il 3 over Miller Creek?

The structure is 141 ft (42.9 m) long with a longest span of 79 ft (24.2 m) and a deck 28 ft wide.

Who owns Old Il 3 over Miller Creek?

It is owned by the State Highway Agency.