US Bridges

TR 399 a over Green Creek

Fair

Shelby County, Illinois · 2.9 MI NE Sigel · Structure no. 087343700000000

Built
1990
35 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
200
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 399 a over Green Creek is a concrete culvert carrying TR 399 a over Green Creek in Shelby County, Illinois. It was built in 1990, so it is 35 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.

It carries about 200 vehicles a day, roughly 9% of them trucks, projected to reach 202 by 2046. The structure is 26 ft (8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 399 a
CrossesGreen Creek
Location2.9 MI NE Sigel
RouteCounty Highway 0
CountyShelby County
StateIllinois
Coordinates39.25879, -88.52693
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 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 above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic202 by 2046
Trucks9%
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 TR 399 a over Green Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is TR 399 a over Green 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 399 a over Green Creek carry?

About 200 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is TR 399 a over Green Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns TR 399 a over Green Creek?

It is owned by the Town or Township Highway Agency.