US Bridges

Richter TR 278 over Branch Silver Creek

Fair

St. Clair County, Illinois · 0.25 Min Sbi 161 · Structure no. 082410700000000

Built
1982
43 years old
Condition
Fair
inspected February 2023
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
10
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Richter TR 278 over Branch Silver Creek is a steel culvert carrying Richter TR 278 over Branch Silver Creek in St. Clair County, Illinois. It was built in 1982, so it is 43 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 10 vehicles a day, roughly 20% of them trucks, projected to reach 10 by 2046. The structure is 22 ft (6.7 m) long.

Location

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CarriesRichter TR 278
CrossesBranch Silver Creek
Location0.25 Min Sbi 161
RouteCounty Highway 0
CountySt. Clair County
StateIllinois
Coordinates38.52857, -89.77004
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic10 by 2046
Trucks20%
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 Richter TR 278 over Branch Silver Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Richter TR 278 over Branch Silver 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 February 2023.

How much traffic does Richter TR 278 over Branch Silver Creek carry?

About 10 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Richter TR 278 over Branch Silver Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.1 m).

Who owns Richter TR 278 over Branch Silver Creek?

It is owned by the Town or Township Highway Agency.