US Bridges

TR 48 (TH-S18) over Creek

Fair

Marshall County, Illinois · T13N-R9E-4PM Sec 26 · Structure no. 062415200000000

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 48 (TH-S18) over Creek is a steel culvert carrying TR 48 (TH-S18) over Creek in Marshall County, Illinois. It was built in 1975, so it is 50 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 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 21 ft (6.4 m) long and 20 ft wide.

CarriesTR 48 (TH-S18)
CrossesCreek
LocationT13N-R9E-4PM Sec 26
RouteCounty Highway 0
Coordinates41.08714, -89.43083
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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 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 closed—
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 48 (TH-S18) over Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is TR 48 (TH-S18) over 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 August 2023.

How much traffic does TR 48 (TH-S18) over Creek carry?

About 25 vehicles per day (2024 count).

How long is TR 48 (TH-S18) over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m) and a deck 20 ft wide.

Who owns TR 48 (TH-S18) over Creek?

It is owned by the Town or Township Highway Agency.