US Bridges

E Clarendon DR over Zoo Pedestrian Tunnel

Fair

Dallas County, Texas · 0.7 MI NE of IH 35E · Structure no. 1805709C3950005

Built
1990
35 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
3,151
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Clarendon DR over Zoo Pedestrian Tunnel is a prestressed concrete stringer/multi-beam or girder carrying E Clarendon DR over Zoo Pedestrian Tunnel in Dallas County, Texas. It was built in 1990, so it is 35 years old, younger than the Texas average of 44.4 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 3,151 vehicles a day, projected to reach 7,970 by 2031. The structure is 70 ft (21.3 m) long and 203 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE Clarendon DR
CrossesZoo Pedestrian Tunnel
Location0.7 MI NE of IH 35E
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.73912, -96.81538
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width203 ft (61.8 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,151 (2019)
Projected traffic7,970 by 2031
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$74,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E Clarendon DR over Zoo Pedestrian Tunnel built?

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

What condition is E Clarendon DR over Zoo Pedestrian Tunnel 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 May 2023.

How much traffic does E Clarendon DR over Zoo Pedestrian Tunnel carry?

About 3,151 vehicles per day (2019 count).

How long is E Clarendon DR over Zoo Pedestrian Tunnel?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 203 ft wide.

Who owns E Clarendon DR over Zoo Pedestrian Tunnel?

It is owned by the City or Municipal Highway Agency.