US Bridges

Ch 1-FAS 0645 over S. Fork Sangamon R.

Fair

Christian County, Illinois · 1.25 Mi. S. Taylorvl · Structure no. 011302300000000

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
387 ft
3 main spans
Daily traffic
2,550
2021 count
Owner
County
County Highway Agency

About this bridge

Ch 1-FAS 0645 over S. Fork Sangamon R. is a steel continuous stringer/multi-beam or girder carrying Ch 1-FAS 0645 over S. Fork Sangamon R. in Christian County, Illinois. It was built in 1971, so it is 54 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 5 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 2,550 vehicles a day, roughly 22% of them trucks, projected to reach 2,576 by 2046. The structure is 387 ft (118 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCh 1-FAS 0645
CrossesS. Fork Sangamon R.
Location1.25 Mi. S. Taylorvl
RouteCounty Highway 0
Coordinates39.523, -89.29733
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length387 ft (118 m)
Longest span90 ft (27.4 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2021)
Projected traffic2,576 by 2046
Trucks22%
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

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 Ch 1-FAS 0645 over S. Fork Sangamon R. built?

It was built in 1971, making it 54 years old in 2025.

What condition is Ch 1-FAS 0645 over S. Fork Sangamon R. 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 November 2023.

How much traffic does Ch 1-FAS 0645 over S. Fork Sangamon R. carry?

About 2,550 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is Ch 1-FAS 0645 over S. Fork Sangamon R.?

The structure is 387 ft (118 m) long with a longest span of 90 ft (27.4 m) and a deck 46 ft wide.

Who owns Ch 1-FAS 0645 over S. Fork Sangamon R.?

It is owned by the County Highway Agency.