US Bridges

Ch 5-FAS 639 over S. Fork Sangamon R.

Fair

Christian County, Illinois · 2.25 MI N Bulpitt · Structure no. 011300800000000

Built
1953
72 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
293 ft
3 main spans
Daily traffic
600
2021 count
Owner
County
County Highway Agency

About this bridge

Ch 5-FAS 639 over S. Fork Sangamon R. is a steel continuous stringer/multi-beam or girder carrying Ch 5-FAS 639 over S. Fork Sangamon R. in Christian County, Illinois. It was built in 1953, so it is 72 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 606 by 2046. The structure is 293 ft (89.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCh 5-FAS 639
CrossesS. Fork Sangamon R.
Location2.25 MI N Bulpitt
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.62689, -89.42221
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 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length293 ft (89.3 m)
Longest span113 ft (34.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2021)
Projected traffic606 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 5-FAS 639 over S. Fork Sangamon R. built?

It was built in 1953, making it 72 years old in 2025.

What condition is Ch 5-FAS 639 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 2024.

How much traffic does Ch 5-FAS 639 over S. Fork Sangamon R. carry?

About 600 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Ch 5-FAS 639 over S. Fork Sangamon R.?

The structure is 293 ft (89.3 m) long with a longest span of 113 ft (34.4 m) and a deck 26 ft wide.

Who owns Ch 5-FAS 639 over S. Fork Sangamon R.?

It is owned by the County Highway Agency.