US Bridges

North 1st ST over Mockingbird Lane

Fair

Taylor County, Texas · 0.05 MI N of Bus IH 20 · Structure no. 082210B13134005

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
65 ft
2 main spans
Daily traffic
7,245
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

North 1st ST over Mockingbird Lane is a concrete continuous slab carrying North 1st ST over Mockingbird Lane 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 7,245 vehicles a day, roughly 3% of them trucks, projected to reach 10,518 by 2040. The structure is 65 ft (19.8 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNorth 1st ST
CrossesMockingbird Lane
Location0.05 MI N of Bus IH 20
RouteCity Street 0
StateTexas
Coordinates32.45107, -99.75789
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length65 ft (19.8 m)
Longest span32 ft (9.8 m)
Deck width70 ft (21.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,245 (2020)
Projected traffic10,518 by 2040
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$10,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was North 1st ST over Mockingbird Lane built?

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

What condition is North 1st ST over Mockingbird Lane 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 January 2024.

How much traffic does North 1st ST over Mockingbird Lane carry?

About 7,245 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is North 1st ST over Mockingbird Lane?

The structure is 65 ft (19.8 m) long with a longest span of 32 ft (9.8 m) and a deck 70 ft wide.

Who owns North 1st ST over Mockingbird Lane?

It is owned by the City or Municipal Highway Agency.