US Bridges

TR 8 over Marrowbone Creek

Good

Moultrie County, Illinois · 2.6 MI NW of Bethany · Structure no. 070462500000000

Built
1995
30 years old
Condition
Good
inspected March 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 8 over Marrowbone Creek is a prestressed concrete box beam or girders - multiple carrying TR 8 over Marrowbone Creek in Moultrie County, Illinois. It was built in 1995, so it is 30 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 105 by 2046. The structure is 73 ft (22.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 8
CrossesMarrowbone Creek
Location2.6 MI NW of Bethany
RouteCounty Highway 0
CountyMoultrie County
StateIllinois
Coordinates39.67436, -88.77006
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 inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum 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 length73 ft (22.4 m)
Longest span72 ft (21.9 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic105 by 2046
Trucks1%
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 8 over Marrowbone Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is TR 8 over Marrowbone Creek 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 March 2022.

How much traffic does TR 8 over Marrowbone Creek carry?

About 100 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is TR 8 over Marrowbone Creek?

The structure is 73 ft (22.4 m) long with a longest span of 72 ft (21.9 m) and a deck 27 ft wide.

Who owns TR 8 over Marrowbone Creek?

It is owned by the Town or Township Highway Agency.