US Bridges

US 40/FAS 779 over FAI 70 EB & WB

Good

Bond County, Illinois · 1.6 MI E Pocahontas · Structure no. 003001600000000

Built
1966
59 years old, rebuilt 2001
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
287 ft
4 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 40/FAS 779 over FAI 70 EB & WB is a steel continuous stringer/multi-beam or girder carrying US 40/FAS 779 over FAI 70 EB & WB in Bond County, Illinois. It was built in 1966 and reconstructed in 2001, so it is 59 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 1,300 vehicles a day, roughly 5% of them trucks, projected to reach 1,111 by 2046. The structure is 287 ft (87.5 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS 40/FAS 779
CrossesFAI 70 EB & WB
Location1.6 MI E Pocahontas
RouteU.S. Route 40
Coordinates38.83255, -89.51609
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.7 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length287 ft (87.5 m)
Longest span86 ft (26.2 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,111 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.2 mi (18 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 40/FAS 779 over FAI 70 EB & WB built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2001.

What condition is US 40/FAS 779 over FAI 70 EB & WB 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 December 2024.

How much traffic does US 40/FAS 779 over FAI 70 EB & WB carry?

About 1,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 40/FAS 779 over FAI 70 EB & WB?

The structure is 287 ft (87.5 m) long with a longest span of 86 ft (26.2 m) and a deck 35 ft wide.

Who owns US 40/FAS 779 over FAI 70 EB & WB?

It is owned by the State Highway Agency.