US Bridges

N Lamar Blvd over Shoal Creek

Fair

Travis County, Texas · 0.10 MI S of W 15th ST · Structure no. 142270B00846020

Built
1941
84 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
172 ft
3 main spans
Daily traffic
16,244
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Lamar Blvd over Shoal Creek is a concrete tee beam carrying N Lamar Blvd over Shoal Creek in Travis County, Texas. It was built in 1941, so it is 84 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 16,244 vehicles a day, projected to reach 36,000 by 2034. The structure is 172 ft (52.4 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesN Lamar Blvd
CrossesShoal Creek
Location0.10 MI S of W 15th ST
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.27801, -97.75089
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length172 ft (52.4 m)
Longest span58 ft (17.7 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,244 (2020)
Projected traffic36,000 by 2034
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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$18,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Lamar Blvd over Shoal Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is N Lamar Blvd over Shoal Creek 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 2024.

How much traffic does N Lamar Blvd over Shoal Creek carry?

About 16,244 vehicles per day (2020 count).

How long is N Lamar Blvd over Shoal Creek?

The structure is 172 ft (52.4 m) long with a longest span of 58 ft (17.7 m) and a deck 54 ft wide.

Who owns N Lamar Blvd over Shoal Creek?

It is owned by the City or Municipal Highway Agency.