US Bridges

FAP-599 (IL-92) over Coal Creek

Fair

Rock Island County, Illinois · 1.5 MI W Andalusia · Structure no. 081007300000000

Built
1940
85 years old, rebuilt 1992
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
2,650
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-599 (IL-92) over Coal Creek is a steel stringer/multi-beam or girder carrying FAP-599 (IL-92) over Coal Creek in Rock Island County, Illinois. It was built in 1940 and reconstructed in 1992, so it is 85 years old, older 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 2,650 vehicles a day, roughly 7% of them trucks, projected to reach 2,828 by 2046. The structure is 43 ft (13.1 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAP-599 (IL-92)
CrossesCoal Creek
Location1.5 MI W Andalusia
RouteState Highway 92
Coordinates41.43752, -90.75155
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span38 ft (11.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2023)
Projected traffic2,828 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP-599 (IL-92) over Coal Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1992.

What condition is FAP-599 (IL-92) over Coal Creek 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 2023.

How much traffic does FAP-599 (IL-92) over Coal Creek carry?

About 2,650 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FAP-599 (IL-92) over Coal Creek?

The structure is 43 ft (13.1 m) long with a longest span of 38 ft (11.7 m) and a deck 39 ft wide.

Who owns FAP-599 (IL-92) over Coal Creek?

It is owned by the State Highway Agency.