US Bridges

Twykenham Blvd over N&s RR

Good

Tippecanoe County, Indiana · 00.23 W 18th ST · Structure no. 7900193

Built
2003
22 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
298 ft
2 main spans
Daily traffic
7,922
2022 count
Owner
County
County Highway Agency

About this bridge

Twykenham Blvd over N&s RR is a prestressed concrete continuous tee beam carrying Twykenham Blvd over N&s RR in Tippecanoe County, Indiana. It was built in 2003, so it is 22 years old, younger than the Indiana average of 46.6 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 7,922 vehicles a day, roughly 7% of them trucks, projected to reach 12,247 by 2044. The structure is 298 ft (90.8 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesTwykenham Blvd
CrossesN&s RR
Location00.23 W 18th ST
RouteCity Street 0
StateIndiana
Coordinates40.38158, -86.8805
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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.9 US tons
Inventory rating38.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length298 ft (90.8 m)
Longest span181 ft (55.2 m)
Deck width61 ft (18.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,922 (2022)
Projected traffic12,247 by 2044
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Twykenham Blvd over N&s RR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Twykenham Blvd over N&s RR 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 October 2024.

How much traffic does Twykenham Blvd over N&s RR carry?

About 7,922 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Twykenham Blvd over N&s RR?

The structure is 298 ft (90.8 m) long with a longest span of 181 ft (55.2 m) and a deck 61 ft wide.

Who owns Twykenham Blvd over N&s RR?

It is owned by the County Highway Agency.