US Bridges

East Martin ST over Bn RR (072643T)

Good

Knox County, Illinois · N. CTR-4-T9NR1E · Structure no. 048606100000000

Built
1996
29 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
1,050
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Martin ST over Bn RR (072643T) is a steel continuous stringer/multi-beam or girder carrying East Martin ST over Bn RR (072643T) in Knox County, Illinois. It was built in 1996, so it is 29 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 1,050 vehicles a day, roughly 17% of them trucks, projected to reach 1,465 by 2046. The structure is 154 ft (46.8 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesEast Martin ST
CrossesBn RR (072643T)
LocationN. CTR-4-T9NR1E
RouteCounty Highway 0
CountyKnox County
StateIllinois
Coordinates40.80148, -90.39563
Functional classRural Major 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.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.8 m)
Longest span62 ft (18.8 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2022)
Projected traffic1,465 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
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 East Martin ST over Bn RR (072643T) built?

It was built in 1996, making it 29 years old in 2025.

What condition is East Martin ST over Bn RR (072643T) 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 2021.

How much traffic does East Martin ST over Bn RR (072643T) carry?

About 1,050 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is East Martin ST over Bn RR (072643T)?

The structure is 154 ft (46.8 m) long with a longest span of 62 ft (18.8 m) and a deck 38 ft wide.

Who owns East Martin ST over Bn RR (072643T)?

It is owned by the City or Municipal Highway Agency.