US Bridges

TR 50 over Long Grove Trib

Fair

Christian County, Illinois · .75 M N Mowequa · Structure no. 011340700000000

Built
2009
16 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
200
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 50 over Long Grove Trib is a prestressed concrete box beam or girders - multiple carrying TR 50 over Long Grove Trib 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 200 vehicles a day, roughly 4% of them trucks, projected to reach 177 by 2046. The structure is 75 ft (22.9 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesTR 50
CrossesLong Grove Trib
Location.75 M N Mowequa
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.63865, -89.02534
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span71 ft (21.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic177 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 50 over Long Grove Trib built?

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

What condition is TR 50 over Long Grove Trib 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 2023.

How much traffic does TR 50 over Long Grove Trib carry?

About 200 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is TR 50 over Long Grove Trib?

The structure is 75 ft (22.9 m) long with a longest span of 71 ft (21.7 m) and a deck 24 ft wide.

Who owns TR 50 over Long Grove Trib?

It is owned by the Town or Township Highway Agency.