US Bridges

12th Street NB over Primrose Creek

Fair

McLennan County, Texas · 0.15 MI SE of Lp 491 · Structure no. 091610B06803001

Built
1958
67 years old, rebuilt 1971
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
1,549
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

12th Street NB over Primrose Creek is a concrete continuous slab carrying 12th Street NB over Primrose Creek in McLennan County, Texas. It was built in 1958 and reconstructed in 1971, so it is 67 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 1,549 vehicles a day, projected to reach 3,000 by 2036. The structure is 62 ft (18.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries12th Street NB
CrossesPrimrose Creek
Location0.15 MI SE of Lp 491
RouteCity Street 0
CountyMcLennan County
StateTexas
Coordinates31.53324, -97.11686
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating53 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,549 (2022)
Projected traffic3,000 by 2036
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$113,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 12th Street NB over Primrose Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1971.

What condition is 12th Street NB over Primrose 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 April 2024.

How much traffic does 12th Street NB over Primrose Creek carry?

About 1,549 vehicles per day (2022 count).

How long is 12th Street NB over Primrose Creek?

The structure is 62 ft (18.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns 12th Street NB over Primrose Creek?

It is owned by the City or Municipal Highway Agency.