US Bridges

TR 93 over Pigeon Roost Creek

Fair

Alexander County, Illinois · 1.5M NW Olive Branch · Structure no. 002308900000000

Built
1991
34 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
225
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 93 over Pigeon Roost Creek is a prestressed concrete box beam or girders - multiple carrying TR 93 over Pigeon Roost Creek in Alexander County, Illinois. It was built in 1991, so it is 34 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 225 vehicles a day, roughly 37% of them trucks, projected to reach 253 by 2046. The structure is 42 ft (12.8 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 93
CrossesPigeon Roost Creek
Location1.5M NW Olive Branch
RouteCounty Highway 0
Coordinates37.18186, -89.36532
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span39 ft (11.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic253 by 2046
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 93 over Pigeon Roost Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is TR 93 over Pigeon Roost 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 November 2023.

How much traffic does TR 93 over Pigeon Roost Creek carry?

About 225 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is TR 93 over Pigeon Roost Creek?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.8 m) and a deck 24 ft wide.

Who owns TR 93 over Pigeon Roost Creek?

It is owned by the Town or Township Highway Agency.