US Bridges

FAS 748 over Piasa Creek

Fair

Jersey County, Illinois · 4.3 M W Brighton · Structure no. 042308800000000

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
164 ft
3 main spans
Daily traffic
1,050
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 748 over Piasa Creek is a prestressed concrete box beam or girders - multiple carrying FAS 748 over Piasa Creek in Jersey County, Illinois. It was built in 1977, so it is 48 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 5 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 1,050 vehicles a day, roughly 11% of them trucks, projected to reach 1,212 by 2046. The structure is 164 ft (49.9 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFAS 748
CrossesPiasa Creek
Location4.3 M W Brighton
RouteCounty Highway 0
CountyJersey County
StateIllinois
Coordinates39.04358, -90.22992
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.6 US tons
Inventory rating30.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length164 ft (49.9 m)
Longest span53 ft (16.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2022)
Projected traffic1,212 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 748 over Piasa Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is FAS 748 over Piasa 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 February 2024.

How much traffic does FAS 748 over Piasa Creek carry?

About 1,050 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FAS 748 over Piasa Creek?

The structure is 164 ft (49.9 m) long with a longest span of 53 ft (16.1 m) and a deck 28 ft wide.

Who owns FAS 748 over Piasa Creek?

It is owned by the County Highway Agency.