US Bridges

TR 285 over Mud Creek

Good

Jackson County, Illinois · N Lne SC26MURPHY Twp · Structure no. 039315500000000

Built
1981
44 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
850
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 285 over Mud Creek is a prestressed concrete box beam or girders - multiple carrying TR 285 over Mud Creek in Jackson County, Illinois. It was built in 1981, so it is 44 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 850 vehicles a day, roughly 4% of them trucks, projected to reach 1,313 by 2046. The structure is 61 ft (18.6 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 285
CrossesMud Creek
LocationN Lne SC26MURPHY Twp
Coordinates37.71659, -89.29204
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating63.9 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2022)
Projected traffic1,313 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 285 over Mud Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is TR 285 over Mud 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 May 2023.

How much traffic does TR 285 over Mud Creek carry?

About 850 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is TR 285 over Mud Creek?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns TR 285 over Mud Creek?

It is owned by the Town or Township Highway Agency.