US Bridges

Bridge Terrace over Jacksonville Branch

Good

Sangamon County, Illinois · 20FT W Outer Pk Dr. · Structure no. 084601400000000

Built
1990
35 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
100
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bridge Terrace over Jacksonville Branch is a prestressed concrete box beam or girders - multiple carrying Bridge Terrace over Jacksonville Branch in Sangamon 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 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, projected to reach 101 by 2046. The structure is 56 ft (17.1 m) long and 24 ft wide.

CarriesBridge Terrace
CrossesJacksonville Branch
Location20FT W Outer Pk Dr.
RouteCity Street 0
Coordinates39.77837, -89.68459
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 inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span53 ft (16.1 m)
Deck width24 ft (7.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bridge Terrace over Jacksonville Branch built?

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

What condition is Bridge Terrace over Jacksonville 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 April 2023.

How much traffic does Bridge Terrace over Jacksonville Branch carry?

About 100 vehicles per day (2020 count).

How long is Bridge Terrace over Jacksonville Branch?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.1 m) and a deck 24 ft wide.

Who owns Bridge Terrace over Jacksonville Branch?

It is owned by the City or Municipal Highway Agency.