US Bridges

FAU 1356 over Smith Branch

Good

Livingston County, Illinois · 1750N 1750E · Structure no. 053345000000000

Built
1994
31 years old
Condition
Good
inspected September 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

FAU 1356 over Smith Branch is a prestressed concrete box beam or girders - multiple carrying FAU 1356 over Smith Branch in Livingston County, Illinois. It was built in 1994, so it is 31 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 202 by 2046. The structure is 57 ft (17.4 m) long and 30 ft wide.

CarriesFAU 1356
CrossesSmith Branch
Location1750N 1750E
Coordinates40.88126, -88.59511
Functional classUrban Collector

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 inspectionSeptember 2021
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 alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span54 ft (16.6 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic202 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAU 1356 over Smith Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAU 1356 over Smith Branch 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 September 2021.

How much traffic does FAU 1356 over Smith Branch carry?

About 200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FAU 1356 over Smith Branch?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.6 m) and a deck 30 ft wide.

Who owns FAU 1356 over Smith Branch?

It is owned by the County Highway Agency.