US Bridges

Ill 148 over Pond Creek

Fair

Williamson County, Illinois · 1.1 MI S Franklin CO · Structure no. 100003300000000

Built
1931
94 years old, rebuilt 1983
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
178 ft
3 main spans
Daily traffic
3,650
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 148 over Pond Creek is a steel continuous stringer/multi-beam or girder carrying Ill 148 over Pond Creek in Williamson County, Illinois. It was built in 1931 and reconstructed in 1983, so it is 94 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 3,650 vehicles a day, roughly 4% of them trucks, projected to reach 4,444 by 2046. The structure is 178 ft (54.3 m) long and 35 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesIll 148
CrossesPond Creek
Location1.1 MI S Franklin CO
RouteState Highway 148
Coordinates37.84764, -89.05515
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span72 ft (21.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2023)
Projected traffic4,444 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemYes

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 Pond Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1983.

What condition is Ill 148 over Pond 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 September 2024.

How much traffic does Ill 148 over Pond Creek carry?

About 3,650 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Ill 148 over Pond Creek?

The structure is 178 ft (54.3 m) long with a longest span of 72 ft (21.8 m) and a deck 35 ft wide.

Who owns Ill 148 over Pond Creek?

It is owned by the State Highway Agency.