US Bridges

FAS 608 (ch 10) over Trib to Bay CR

Fair

Pike County, Illinois · 1.75 M W Nebo · Structure no. 075332000000000

Built
2011
14 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
725
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 608 (ch 10) over Trib to Bay CR is a prestressed concrete box beam or girders - multiple carrying FAS 608 (ch 10) over Trib to Bay CR in Pike County, Illinois. It was built in 2011, so it is 14 years old, younger 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 725 vehicles a day, roughly 18% of them trucks, projected to reach 754 by 2046. The structure is 70 ft (21.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 608 (ch 10)
CrossesTrib to Bay CR
Location1.75 M W Nebo
RouteCounty Highway 0
Coordinates39.43902, -90.81839
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.2 m)
Longest span66 ft (20.1 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2023)
Projected traffic754 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 608 (ch 10) over Trib to Bay CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is FAS 608 (ch 10) over Trib to Bay CR 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 April 2024.

How much traffic does FAS 608 (ch 10) over Trib to Bay CR carry?

About 725 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is FAS 608 (ch 10) over Trib to Bay CR?

The structure is 70 ft (21.2 m) long with a longest span of 66 ft (20.1 m) and a deck 32 ft wide.

Who owns FAS 608 (ch 10) over Trib to Bay CR?

It is owned by the County Highway Agency.