US Bridges

FAS 1784 over Lost Creek

Fair

Clinton County, Illinois · Shattuc · Structure no. 014301400000000

Built
1958
67 years old, rebuilt 2006
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
1,650
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 1784 over Lost Creek is a concrete continuous slab carrying FAS 1784 over Lost Creek in Clinton County, Illinois. It was built in 1958 and reconstructed in 2006, so it is 67 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 1,650 vehicles a day, roughly 5% of them trucks, projected to reach 1,815 by 2046. The structure is 107 ft (32.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAS 1784
CrossesLost Creek
LocationShattuc
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.60922, -89.19664
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length107 ft (32.6 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2020)
Projected traffic1,815 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$309,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 1784 over Lost Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2006.

What condition is FAS 1784 over Lost 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 October 2023.

How much traffic does FAS 1784 over Lost Creek carry?

About 1,650 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FAS 1784 over Lost Creek?

The structure is 107 ft (32.6 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns FAS 1784 over Lost Creek?

It is owned by the County Highway Agency.