US Bridges

TR 307A over Sth Frk Sangamon Rv

Fair

Christian County, Illinois · 7 M E Morrisonville · Structure no. 011341700000000

Built
2013
12 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
20
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 307A over Sth Frk Sangamon Rv is a prestressed concrete box beam or girders - multiple carrying TR 307A over Sth Frk Sangamon Rv in Christian County, Illinois. It was built in 2013, so it is 12 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 6 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 20 vehicles a day, roughly 15% of them trucks, projected to reach 20 by 2046. The structure is 105 ft (32 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 307A
CrossesSth Frk Sangamon Rv
Location7 M E Morrisonville
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.40729, -89.31648
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length105 ft (32 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2021)
Projected traffic20 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 TR 307A over Sth Frk Sangamon Rv built?

It was built in 2013, making it 12 years old in 2025.

What condition is TR 307A over Sth Frk Sangamon Rv 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 November 2023.

How much traffic does TR 307A over Sth Frk Sangamon Rv carry?

About 20 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is TR 307A over Sth Frk Sangamon Rv?

The structure is 105 ft (32 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns TR 307A over Sth Frk Sangamon Rv?

It is owned by the Town or Township Highway Agency.