US Bridges

TR 284 over Pope Creek

Fair

Mercer County, Illinois · NW-1-T13NR1W · Structure no. 066411000000000

Built
1981
44 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
89 ft
3 main spans
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 284 over Pope Creek is a concrete channel beam carrying TR 284 over Pope Creek in Mercer 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 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 89 ft (27.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 284
CrossesPope Creek
LocationNW-1-T13NR1W
RouteCounty Highway 0
Coordinates41.15053, -90.45689
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.7 US tons
Inventory rating48.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 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 Pope Creek built?

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

What condition is TR 284 over Pope 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 March 2024.

How much traffic does TR 284 over Pope Creek carry?

About 25 vehicles per day (2024 count).

How long is TR 284 over Pope Creek?

The structure is 89 ft (27.1 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns TR 284 over Pope Creek?

It is owned by the Town or Township Highway Agency.