US Bridges

FAS 552 over Mosquito Creek

Good

Macon County, Illinois · 0.5 MI W Elwin · Structure no. 058502400000000

Built
2013
12 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,100
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 552 over Mosquito Creek is a concrete culvert carrying FAS 552 over Mosquito Creek in Macon County, Illinois. It was built in 2013, so it is 12 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 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 1,100 vehicles a day, roughly 12% of them trucks, projected to reach 1,700 by 2038. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAS 552
CrossesMosquito Creek
Location0.5 MI W Elwin
RouteCounty Highway 0
Coordinates39.7783, -88.99127
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 inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1 (+2 approach)
Design loadH 20
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2020)
Projected traffic1,700 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 552 over Mosquito Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is FAS 552 over Mosquito 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 2022.

How much traffic does FAS 552 over Mosquito Creek carry?

About 1,100 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FAS 552 over Mosquito Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).

Who owns FAS 552 over Mosquito Creek?

It is owned by the County Highway Agency.