US Bridges

TR 186A over S Fk Sangamon Rvr

Fair

Christian County, Illinois · 5 M SW Rosemond · Structure no. 011340600000000

Built
2009
16 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
61 ft
3 main spans
Daily traffic
10
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 186A over S Fk Sangamon Rvr is a concrete channel beam carrying TR 186A over S Fk Sangamon Rvr in Christian County, Illinois. It was built in 2009, so it is 16 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 10 vehicles a day, projected to reach 10 by 2046. The structure is 61 ft (18.7 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 186A
CrossesS Fk Sangamon Rvr
Location5 M SW Rosemond
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.35311, -89.25129
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span21 ft (6.3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 by 2046
Trucks0%
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 186A over S Fk Sangamon Rvr built?

It was built in 2009, making it 16 years old in 2025.

What condition is TR 186A over S Fk Sangamon Rvr 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 December 2023.

How much traffic does TR 186A over S Fk Sangamon Rvr carry?

About 10 vehicles per day (2021 count).

How long is TR 186A over S Fk Sangamon Rvr?

The structure is 61 ft (18.7 m) long with a longest span of 21 ft (6.3 m) and a deck 27 ft wide.

Who owns TR 186A over S Fk Sangamon Rvr?

It is owned by the Town or Township Highway Agency.