US Bridges

TR 187 over S Fork Sangamon R

Fair

Christian County, Illinois · 3.25 N W Taylorville · Structure no. 011336400000000

Built
1994
31 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
390 ft
3 main spans
Daily traffic
75
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 187 over S Fork Sangamon R is a steel continuous stringer/multi-beam or girder carrying TR 187 over S Fork Sangamon R in Christian County, Illinois. It was built in 1994, so it is 31 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 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 75 vehicles a day, roughly 8% of them trucks, projected to reach 76 by 2046. The structure is 390 ft (118.9 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 187
CrossesS Fork Sangamon R
Location3.25 N W Taylorville
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.54247, -89.372
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating69.3 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length390 ft (118.9 m)
Longest span145 ft (44.2 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic76 by 2046
Trucks8%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 187 over S Fork Sangamon R built?

It was built in 1994, making it 31 years old in 2025.

What condition is TR 187 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 TR 187 over S Fork Sangamon R carry?

About 75 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is TR 187 over S Fork Sangamon R?

The structure is 390 ft (118.9 m) long with a longest span of 145 ft (44.2 m) and a deck 27 ft wide.

Who owns TR 187 over S Fork Sangamon R?

It is owned by the Town or Township Highway Agency.