US Bridges

Ch 10 FAS 603 over Bay Creek Tributary

Good

Pike County, Illinois · 3.32 Mile East Nebo · Structure no. 075501500000000

Built
1979
46 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Ch 10 FAS 603 over Bay Creek Tributary is a concrete continuous culvert carrying Ch 10 FAS 603 over Bay Creek Tributary in Pike County, Illinois. It was built in 1979, so it is 46 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 300 vehicles a day, roughly 7% of them trucks, projected to reach 377 by 2046. The structure is 32 ft (9.8 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCh 10 FAS 603
CrossesBay Creek Tributary
Location3.32 Mile East Nebo
RouteCounty Highway 0
Coordinates39.45696, -90.72462
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span11 ft (3.4 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic377 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Ch 10 FAS 603 over Bay Creek Tributary built?

It was built in 1979, making it 46 years old in 2025.

What condition is Ch 10 FAS 603 over Bay Creek Tributary 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 April 2024.

How much traffic does Ch 10 FAS 603 over Bay Creek Tributary carry?

About 300 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Ch 10 FAS 603 over Bay Creek Tributary?

The structure is 32 ft (9.8 m) long with a longest span of 11 ft (3.4 m) and a deck 38 ft wide.

Who owns Ch 10 FAS 603 over Bay Creek Tributary?

It is owned by the County Highway Agency.