US Bridges

Ill 148 over Andy Creek

Good

Franklin County, Illinois · 3.7M No of Ill 14 · Structure no. 028200700000000

Built
1965
60 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
4,100
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 148 over Andy Creek is a concrete continuous culvert carrying Ill 148 over Andy Creek in Franklin County, Illinois. It was built in 1965, so it is 60 years old, older 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 4,100 vehicles a day, roughly 12% of them trucks, projected to reach 4,141 by 2046. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIll 148
CrossesAndy Creek
Location3.7M No of Ill 14
RouteState Highway 148
Coordinates38.03369, -89.05364
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2023)
Projected traffic4,141 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Ill 148 over Andy Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Ill 148 over Andy 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 January 2025.

How much traffic does Ill 148 over Andy Creek carry?

About 4,100 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Ill 148 over Andy Creek?

The structure is 25 ft (7.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Ill 148 over Andy Creek?

It is owned by the State Highway Agency.