US Bridges

TR 31 over Murry Ditch

Good

Livingston County, Illinois · 780 E 2950 · Structure no. 053421700000000

Built
2015
10 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
150
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 31 over Murry Ditch is a prestressed concrete box beam or girders - multiple carrying TR 31 over Murry Ditch in Livingston County, Illinois. It was built in 2015, so it is 10 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 54% of them trucks, projected to reach 51 by 2046. The structure is 57 ft (17.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 31
CrossesMurry Ditch
Location780 E 2950
RouteCounty Highway 0
Coordinates41.05473, -88.77964
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length57 ft (17.5 m)
Longest span55 ft (16.7 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic51 by 2046
Trucks54%
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 31 over Murry Ditch built?

It was built in 2015, making it 10 years old in 2025.

What condition is TR 31 over Murry Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does TR 31 over Murry Ditch carry?

About 150 vehicles per day (2023 count), of which roughly 54% are trucks.

How long is TR 31 over Murry Ditch?

The structure is 57 ft (17.5 m) long with a longest span of 55 ft (16.7 m) and a deck 27 ft wide.

Who owns TR 31 over Murry Ditch?

It is owned by the Town or Township Highway Agency.