US Bridges

284 over Mauvaise Terre Creek

Fair

Morgan County, Illinois · 2.2 MI SW of Orleans · Structure no. 069500900000000

Built
1956
69 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

284 over Mauvaise Terre Creek is a steel culvert carrying 284 over Mauvaise Terre Creek in Morgan County, Illinois. It was built in 1956, so it is 69 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 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 76 by 2046. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries284
CrossesMauvaise Terre Creek
Location2.2 MI SW of Orleans
RouteCounty Highway 0
CountyMorgan County
StateIllinois
Coordinates39.71177, -90.11686
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 15
Structure length30 ft (9.1 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic76 by 2046
Trucks8%
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 284 over Mauvaise Terre Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is 284 over Mauvaise Terre Creek 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 October 2023.

How much traffic does 284 over Mauvaise Terre Creek carry?

About 100 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is 284 over Mauvaise Terre Creek?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.8 m).

Who owns 284 over Mauvaise Terre Creek?

It is owned by the Town or Township Highway Agency.