US Bridges

TR 284 over N Fork Mauvaisterre

Fair

Morgan County, Illinois · 4M NE J-Ville · Structure no. 069316200000000

Built
1976
49 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
117 ft
3 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 284 over N Fork Mauvaisterre is a steel continuous stringer/multi-beam or girder carrying TR 284 over N Fork Mauvaisterre in Morgan County, Illinois. It was built in 1976, so it is 49 years old, older 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 5 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, projected to reach 51 by 2046. The structure is 117 ft (35.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 284
CrossesN Fork Mauvaisterre
Location4M NE J-Ville
RouteCounty Highway 0
CountyMorgan County
StateIllinois
Coordinates39.76068, -90.12877
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length117 ft (35.7 m)
Longest span42 ft (12.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks0%
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 284 over N Fork Mauvaisterre built?

It was built in 1976, making it 49 years old in 2025.

What condition is TR 284 over N Fork Mauvaisterre 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 284 over N Fork Mauvaisterre carry?

About 50 vehicles per day (2024 count).

How long is TR 284 over N Fork Mauvaisterre?

The structure is 117 ft (35.7 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.

Who owns TR 284 over N Fork Mauvaisterre?

It is owned by the Town or Township Highway Agency.