US Bridges

FAS 493 Ch 5 Saybr over Br Sangamon Creek

Good

McLean County, Illinois · 1.4 MI S of Ill 9 · Structure no. 057019500000000

Built
1984
41 years old, rebuilt 2017
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
1,000
2024 count
Owner
State
State Highway Agency

About this bridge

FAS 493 Ch 5 Saybr over Br Sangamon Creek is a prestressed concrete box beam or girders - multiple carrying FAS 493 Ch 5 Saybr over Br Sangamon Creek in McLean County, Illinois. It was built in 1984 and reconstructed in 2017, so it is 41 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 1,000 vehicles a day, roughly 15% of them trucks, projected to reach 758 by 2046. The structure is 68 ft (20.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 493 Ch 5 Saybr
CrossesBr Sangamon Creek
Location1.4 MI S of Ill 9
RouteCounty Highway 0
Coordinates40.452, -88.5264
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating59.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span63 ft (19.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic758 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 FAS 493 Ch 5 Saybr over Br Sangamon Creek built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2017.

What condition is FAS 493 Ch 5 Saybr over Br Sangamon 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 February 2023.

How much traffic does FAS 493 Ch 5 Saybr over Br Sangamon Creek carry?

About 1,000 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is FAS 493 Ch 5 Saybr over Br Sangamon Creek?

The structure is 68 ft (20.7 m) long with a longest span of 63 ft (19.3 m) and a deck 28 ft wide.

Who owns FAS 493 Ch 5 Saybr over Br Sangamon Creek?

It is owned by the State Highway Agency.