US Bridges

Loop 20 Bus over Mockingbird LN

Fair

Taylor County, Texas · 1.70 MI E of US 83 · Structure no. 082210000618225

Built
1959
66 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
65 ft
2 main spans
Daily traffic
14,470
2013 count
Owner
State
State Highway Agency

About this bridge

Loop 20 Bus over Mockingbird LN is a concrete continuous slab carrying Loop 20 Bus over Mockingbird LN in Taylor County, Texas. It was built in 1959, so it is 66 years old, older 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 14,470 vehicles a day, roughly 7% of them trucks, projected to reach 20,270 by 2033. The structure is 65 ft (19.8 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLoop 20 Bus
CrossesMockingbird LN
Location1.70 MI E of US 83
RouteState Highway 20
CountyTaylor County
StateTexas
Coordinates32.45047, -99.75811
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length65 ft (19.8 m)
Longest span33 ft (10.1 m)
Deck width77 ft (23.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,470 (2013)
Projected traffic20,270 by 2033
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$225,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Loop 20 Bus over Mockingbird LN built?

It was built in 1959, making it 66 years old in 2025.

What condition is Loop 20 Bus over Mockingbird LN 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 April 2023.

How much traffic does Loop 20 Bus over Mockingbird LN carry?

About 14,470 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is Loop 20 Bus over Mockingbird LN?

The structure is 65 ft (19.8 m) long with a longest span of 33 ft (10.1 m) and a deck 77 ft wide.

Who owns Loop 20 Bus over Mockingbird LN?

It is owned by the State Highway Agency.