US Bridges

Emrald Mound TR 26 over E Br Little Silver

Good

St. Clair County, Illinois · 1 MI N US 50 · Structure no. 082415600000000

Built
2009
16 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Emrald Mound TR 26 over E Br Little Silver is a prestressed concrete box beam or girders - multiple carrying Emrald Mound TR 26 over E Br Little Silver in St. Clair County, Illinois. It was built in 2009, so it is 16 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 17% of them trucks, projected to reach 101 by 2046. The structure is 90 ft (27.3 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesEmrald Mound TR 26
CrossesE Br Little Silver
Location1 MI N US 50
RouteCounty Highway 0
Coordinates38.6164, -89.77973
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length90 ft (27.3 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic101 by 2046
Trucks17%
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 Emrald Mound TR 26 over E Br Little Silver built?

It was built in 2009, making it 16 years old in 2025.

What condition is Emrald Mound TR 26 over E Br Little Silver in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Emrald Mound TR 26 over E Br Little Silver carry?

About 100 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Emrald Mound TR 26 over E Br Little Silver?

The structure is 90 ft (27.3 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Emrald Mound TR 26 over E Br Little Silver?

It is owned by the Town or Township Highway Agency.