US Bridges

FAS 1577 (ch 4) over Cox Creek

Good

Cass County, Illinois · 0.35 MI S of Ch 11 · Structure no. 009311600000000

Built
2024
1 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
425
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 1577 (ch 4) over Cox Creek is a steel stringer/multi-beam or girder carrying FAS 1577 (ch 4) over Cox Creek in Cass County, Illinois. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 425 vehicles a day, roughly 12% of them trucks, projected to reach 425 by 2048. The structure is 96 ft (29.3 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAS 1577 (ch 4)
CrossesCox Creek
Location0.35 MI S of Ch 11
RouteCounty Highway 0
Coordinates39.99468, -90.04187
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length96 ft (29.3 m)
Longest span92 ft (28.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic425 by 2048
Trucks12%
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 FAS 1577 (ch 4) over Cox Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is FAS 1577 (ch 4) over Cox 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 July 2024.

How much traffic does FAS 1577 (ch 4) over Cox Creek carry?

About 425 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FAS 1577 (ch 4) over Cox Creek?

The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28.1 m) and a deck 30 ft wide.

Who owns FAS 1577 (ch 4) over Cox Creek?

It is owned by the County Highway Agency.