US Bridges

Ill 48 over S Fk Sangamon River

Fair

Christian County, Illinois · 1.6MI SW Taylorville · Structure no. 011003200000000

Built
1989
36 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
542 ft
9 main spans
Daily traffic
3,100
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 48 over S Fk Sangamon River is a prestressed concrete stringer/multi-beam or girder carrying Ill 48 over S Fk Sangamon River in Christian County, Illinois. It was built in 1989, so it is 36 years old, younger 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 3,100 vehicles a day, roughly 16% of them trucks, projected to reach 2,980 by 2046. The structure is 542 ft (165.3 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesIll 48
CrossesS Fk Sangamon River
Location1.6MI SW Taylorville
RouteState Highway 48
CountyChristian County
StateIllinois
Coordinates39.50793, -89.34621
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length542 ft (165.3 m)
Longest span75 ft (22.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic2,980 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Ill 48 over S Fk Sangamon River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ill 48 over S Fk Sangamon River 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 July 2024.

How much traffic does Ill 48 over S Fk Sangamon River carry?

About 3,100 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Ill 48 over S Fk Sangamon River?

The structure is 542 ft (165.3 m) long with a longest span of 75 ft (22.9 m) and a deck 35 ft wide.

Who owns Ill 48 over S Fk Sangamon River?

It is owned by the State Highway Agency.