US Bridges

FM 1858 over Aquilla Creek

Good

McLennan County, Texas · 1.00 MI NE of FM 933 · Structure no. 091610206101010

Built
1961
64 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
355 ft
1 main span
Daily traffic
543
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1858 over Aquilla Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 1858 over Aquilla Creek in McLennan County, Texas. It was built in 1961, so it is 64 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 543 vehicles a day, roughly 11% of them trucks, projected to reach 1,300 by 2033. The structure is 355 ft (108.2 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFM 1858
CrossesAquilla Creek
Location1.00 MI NE of FM 933
RouteState Highway 1858
CountyMcLennan County
StateTexas
Coordinates31.72625, -97.21151
Functional classRural Major Collector

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+7 approach)
Design loadH 15
Structure length355 ft (108.2 m)
Longest span75 ft (22.9 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic543 (2020)
Projected traffic1,300 by 2033
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1858 over Aquilla Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is FM 1858 over Aquilla 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 February 2023.

How much traffic does FM 1858 over Aquilla Creek carry?

About 543 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FM 1858 over Aquilla Creek?

The structure is 355 ft (108.2 m) long with a longest span of 75 ft (22.9 m) and a deck 26 ft wide.

Who owns FM 1858 over Aquilla Creek?

It is owned by the State Highway Agency.