US Bridges

C.H. 11 / F.A.S. 8 over N. Fk. Cypress Creek

Good

Gallatin County, Illinois · 4.25 MI N Ill 13 · Structure no. 030313800000000

Built
2018
7 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
84 ft
1 main span
Daily traffic
1,100
2023 count
Owner
County
County Highway Agency

About this bridge

C.H. 11 / F.A.S. 8 over N. Fk. Cypress Creek is a concrete stringer/multi-beam or girder carrying C.H. 11 / F.A.S. 8 over N. Fk. Cypress Creek in Gallatin County, Illinois. It was built in 2018, so it is 7 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 1,100 vehicles a day, roughly 13% of them trucks, projected to reach 1,111 by 2046. The structure is 84 ft (25.7 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesC.H. 11 / F.A.S. 8
CrossesN. Fk. Cypress Creek
Location4.25 MI N Ill 13
RouteCounty Highway 0
CountyGallatin County
StateIllinois
Coordinates37.77239, -88.18875
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length84 ft (25.7 m)
Longest span82 ft (24.9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,111 by 2046
Trucks13%
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 C.H. 11 / F.A.S. 8 over N. Fk. Cypress Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is C.H. 11 / F.A.S. 8 over N. Fk. Cypress 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 January 2025.

How much traffic does C.H. 11 / F.A.S. 8 over N. Fk. Cypress Creek carry?

About 1,100 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is C.H. 11 / F.A.S. 8 over N. Fk. Cypress Creek?

The structure is 84 ft (25.7 m) long with a longest span of 82 ft (24.9 m) and a deck 30 ft wide.

Who owns C.H. 11 / F.A.S. 8 over N. Fk. Cypress Creek?

It is owned by the County Highway Agency.