US Bridges

CH18/FAS 777 over Trib to Shoal Creek

Good

Bond County, Illinois · 5.5M N of Greenville · Structure no. 003305100000000

Built
2005
20 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

CH18/FAS 777 over Trib to Shoal Creek is a concrete culvert carrying CH18/FAS 777 over Trib to Shoal Creek in Bond County, Illinois. It was built in 2005, so it is 20 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 16% of them trucks, projected to reach 202 by 2046. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCH18/FAS 777
CrossesTrib to Shoal Creek
Location5.5M N of Greenville
RouteCounty Highway 0
CountyBond County
StateIllinois
Coordinates38.98194, -89.38854
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic202 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 CH18/FAS 777 over Trib to Shoal Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is CH18/FAS 777 over Trib to Shoal Creek 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 2021.

How much traffic does CH18/FAS 777 over Trib to Shoal Creek carry?

About 200 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is CH18/FAS 777 over Trib to Shoal Creek?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns CH18/FAS 777 over Trib to Shoal Creek?

It is owned by the County Highway Agency.