US Bridges

Il 267 over Macoupin Creek

Fair

Jersey County, Illinois · Rock Bridge; CO Line · Structure no. 042001700000000

Built
1941
84 years old, rebuilt 1992
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,310 ft
23 main spans
Daily traffic
2,150
2023 count
Owner
State
State Highway Agency

About this bridge

Il 267 over Macoupin Creek is a steel continuous stringer/multi-beam or girder carrying Il 267 over Macoupin Creek in Jersey County, Illinois. It was built in 1941 and reconstructed in 1992, so it is 84 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 2,150 vehicles a day, roughly 23% of them trucks, projected to reach 2,020 by 2046. The structure is 1,310 ft (399.3 m) long and 35 ft wide. If it were closed, the detour would be 90.1 mi (145 km).

CarriesIl 267
CrossesMacoupin Creek
LocationRock Bridge; CO Line
RouteState Highway 267
Coordinates39.26254, -90.19541
Functional classRural Minor Arterial

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans23
Design loadHS 20
Structure length1,310 ft (399.3 m)
Longest span90 ft (27.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2023)
Projected traffic2,020 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed90.1 mi (145 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 Il 267 over Macoupin Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1992.

What condition is Il 267 over Macoupin Creek 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 August 2024.

How much traffic does Il 267 over Macoupin Creek carry?

About 2,150 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is Il 267 over Macoupin Creek?

The structure is 1,310 ft (399.3 m) long with a longest span of 90 ft (27.5 m) and a deck 35 ft wide.

Who owns Il 267 over Macoupin Creek?

It is owned by the State Highway Agency.