US Bridges

TR 149 over Shiloh Spec Drainage

Fair

Edgar County, Illinois · 3 MI N of Redmon · Structure no. 023513000000000

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 149 over Shiloh Spec Drainage is a prestressed concrete box beam or girders - multiple carrying TR 149 over Shiloh Spec Drainage in Edgar 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 37 ft (11.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 149
CrossesShiloh Spec Drainage
Location3 MI N of Redmon
RouteCounty Highway 0
Coordinates39.68819, -87.8517
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.
Substructure7 GoodSome minor problems.
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 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic51 by 2046
Trucks4%
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

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 149 over Shiloh Spec Drainage built?

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

What condition is TR 149 over Shiloh Spec Drainage 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 149 over Shiloh Spec Drainage carry?

About 50 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is TR 149 over Shiloh Spec Drainage?

The structure is 37 ft (11.2 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns TR 149 over Shiloh Spec Drainage?

It is owned by the Town or Township Highway Agency.