US Bridges

US 90A over Mill Creek

Good

Guadalupe County, Texas · 3.45 MI W of FM 1150 · Structure no. 150950002504088

Built
1951
74 years old, rebuilt 1967
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
220 ft
8 main spans
Daily traffic
3,810
2013 count
Owner
State
State Highway Agency

About this bridge

US 90A over Mill Creek is a concrete continuous slab carrying US 90A over Mill Creek in Guadalupe County, Texas. It was built in 1951 and reconstructed in 1967, so it is 74 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,810 vehicles a day, roughly 8% of them trucks, projected to reach 5,330 by 2033. The structure is 220 ft (67.1 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 90A
CrossesMill Creek
Location3.45 MI W of FM 1150
RouteU.S. Route 90
StateTexas
Coordinates29.56796, -97.83002
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length220 ft (67.1 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.5 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,810 (2013)
Projected traffic5,330 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90A over Mill Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1967.

What condition is US 90A over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does US 90A over Mill Creek carry?

About 3,810 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is US 90A over Mill Creek?

The structure is 220 ft (67.1 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns US 90A over Mill Creek?

It is owned by the State Highway Agency.