US Bridges

TR 271 a over Drake Creek Branch

FairPosted for load

Shelby County, Illinois · 5 MI E Strasburg · Structure no. 087303800000000

Built
1984
41 years old
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel
Length
40 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 271 a over Drake Creek Branch is a steel girder and floorbeam system carrying TR 271 a over Drake Creek Branch in Shelby County, Illinois. It was built in 1984, so it is 41 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 6% of them trucks, projected to reach 76 by 2046. The structure is 40 ft (12.3 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 271 a
CrossesDrake Creek Branch
Location5 MI E Strasburg
RouteCounty Highway 0
CountyShelby County
StateIllinois
Coordinates39.34561, -88.5222
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusPosted for load 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating32.8 US tons
Inventory rating19.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span40 ft (12.2 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic76 by 2046
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$295,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 271 a over Drake Creek Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is TR 271 a over Drake Creek Branch 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 271 a over Drake Creek Branch carry?

About 50 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is TR 271 a over Drake Creek Branch?

The structure is 40 ft (12.3 m) long with a longest span of 40 ft (12.2 m) and a deck 17 ft wide.

Who owns TR 271 a over Drake Creek Branch?

It is owned by the Town or Township Highway Agency.